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British Industrial History

John Penn

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1858. Apparatus for Taking the Thrust of Screw Shafts.

John Penn (1805–1878) of John Penn and Sons.

Contents

General

1805 Born the son of the engineer John Penn (1770–1843), and was born at Greenwich, Kent.

He was apprenticed to his father and soon joined his father in the management of the family business which later became John Penn and Sons.

1826 John Penn, Junior, Greenwich, became a member of the Institution of Civil Engineers.[1]

1830 Employed as a workman by Jacob Perkins in connection with his steam gun; conducted the experiments which were observed by the Duke of Wellington who rejected the gun but formed a high opinion of Mr Penn.

In 1843 Penn approached the Admiralty with an offer to install high-power oscillating engines in the Admiralty steam yacht Black Eagle. The success of these engines led to Penn's installing further examples in many of the last paddle-wheel warships down to 1852.

In 1847 he married Ellen English, the daughter of another London engineer, William English of Enfield; they had four sons and two daughters.

For naval screw propeller vessels Penn developed the trunk engine, which combined horizontal cylinders, for safety below the waterline, with the highest power yet achieved.

Penn's works grew to meet the number and value of naval orders in addition to a number of mercantile and liner contracts. By the time of his death the works occupied 7 acres on Blackheath Hill, and there was a separate boiler works at Deptford.

John Penn and Sons was considered the best-equipped marine engineering works. Penn was a model employer, one of the first to recognise the value of skilled employees through pensions, as well as the more typically paternalistic system of awarding Christmas gifts. His works also provided the education for a whole generation of marine engineers, and not a few naval officers, who took time to study there.

In 1858–9, and again in 1867–8, Penn served as president of the Institution of Mechanical Engineers; he contributed several papers to their Proceedings. In June 1859 he was elected FRS, and in 1860 he helped to found the Institution of Naval Architects.

Penn developed, improved, and refined the ideas and engineering of others, and was among the first to employ the precision instruments and tools developed by his friend Joseph Whitworth.

His most important contribution to marine engineering came in collaboration with Francis Pettit Smith: the two men developed the lignum vitae stern bearing, patented in 1854 and finally perfected in 1858. This enabled screw propeller ships to make oceanic voyages without wearing out their stern glands.

In 1875 Penn, by then very ill, retired from the management of the business, which passed to his two elder sons, who had been partners since 1872.

He died at his home, The Cedars, Lee, Kent, on 23 September 1878, survived by his wife, and was buried at St Margaret's Church, Lee, on 29 September. By the time of his death the firm had built engines for 735 ships, ranging from river ferries to battleships. One of his sons, John Penn (1848-1903), became chairman after his father; the other, William Penn (2) was a director of the company.

Obituaries


1879 Obituary [2]

JOHN PENN, F.R.S., was born in 1805 at Greenwich, where his father had been established for many years as s millwright and engineer, chiefly in corn and flour mills.

Entering the works at an early age, he had the entire management of them for some years previous to his father's death in 1843, when they came into his sole possession.

One of his earliest productions was the so-called "grasshopper engine"; and a 6 H.P. engine of this construction was the first steam engine fitted up for use at the works, where it was afterwards used to drive the machinery.

About 1826 he went for some months to Paris to superintend the experiments with Mr. Jacob Perkins' steam gun, which gun had been made at Mr. Penn's works at Greenwich for the French Government.

Perhaps the earliest marine engines designed and built by him were the 40 H.P. beam engines fitted in the steamers "Ipswich " and "Suffolk," plying on the river Orwell; and with certain modifications in detail these engines were reproduced in 1835 in four passenger boats plying on the Thames between London and Greenwich.

In 1838 Mr. Penn adopted and improved the oscillating engine; and in 1844 he replaced the engines of the Admiralty yacht, "Black Eagle," by oscillating engines of double the power, with tubular boilers, without any increase in either the weight or the space occupied, the speed of the vessel being very greatly augmented. The oscillating principle was in consequence rapidly adopted, both by the Government and by private firms, and this form of engine was fitted to the royal yacht "Victoria and Albert," and to the " Great Britain " steamship.

Mr. Penn's next step in connection with marine engineering was the introduction of trunk engines for driving the screw propellers in vessels of war, where space had to be economised, and the engines placed in as safe a position as possible. These objects he accomplished with eminent success by keeping the engines low down in the vessel, and driving the screw direct. The first ships fitted on this plan were the "Arrogant " and the "Encounter "; and down to the present time 230 vessels have been fitted with trunk engines by Mr. Penn's firm, ranging from gunboats of 20 H.P. to ships like the " Neptune," the engines of which have developed 8832 H.P., being the highest indicated power hitherto realised with a single pair of cylinders. During the Crimean war he accomplished the arduous undertaking of fitting ninety-seven gunboats with engines and boilers, for which purpose he enlisted the aid of other leading engineering establishments, the details being arranged by himself.

The use of wood bearings for screw-propeller shafts was introduced by Mr. Penn in 1854, after an extensive series of experiments carried out for him by Mr. Francis Pettit Smith with various kinds of metal and wood, the results of which showed conclusively the value of lignum vitro for that purpose.

A paper on "Wood Bearings for Screw-Propeller Shafts," giving the particulars of these experiments and of the early applications of the plan, was read by him to the Institution in 1856; and in 1858 he contributed a second paper giving the further practical results of working (see Proceedings Inst. M.E. 1856 page 24, and 1858 page 81).

The application of superheated steam in marine engines was another subject with which Mr. Penn's name was associated, and of which he also communicated the particulars to the Institution in a paper in 1859 (see Proceedings 1859 page 195).

In the same year, in the discussion of a paper on the construction of steam boilers, he mentioned two-flued boilers, at his own works which bad been in constant use for fifteen years, and were constructed with flanged plates without angle-irons: showing how early that improved mode of construction must have been adopted by himself.

Mr. Penn became a Member of the Institution in 1848, and after being for several years a Vice-President was elected President for 1858 and 1859; he again held the office for 1867 and 1868. The cordial reception of the Institution on the occasion of the first meeting in Paris, during his presidency in 1867, was largely due to his long and intimate connection with the French Government in matters of marine engineering.

In 1872 he handed over to his two eldest sons the active management of his works, from which he retired. altogether in 1875, retaining however the keenest interest in their subsequent doings and in engineering pursuits generally.

His death took place at his residence, Lee, Kent, on 23rd September 1878, at the age of seventy-three.


1880 Obituary [3][4]

John Penn was born at Greenwich in 1805, and died at the Cedars, Lee, in 1878. He thus lived during the most important part of the nineteenth century. How much he accomplished during his lifetime, the following memoir will very briefly show.

He was emphatically well born. His father was a man of great mechanical genius; industrious, persevering, and always working his way upwards and to the front. Beginning as apprentice to a millwright at Bridgewater, the elder Penn was made foreman of an important work at Bristol when he was only twenty-two years of age. He became celebrated for his theoretical and practical knowledge of the teeth of wheels, - a branch of construction which was then imperfectly understood by mechanicians.

Leaving Bristol in 1793, he made his way to London, where he remained ever after.

He began business on his own account at Greenwich in 1799, where he soon became known as a millwright. It may be noted that many of the principal civil engineers began life as millwrights,- such as Brindley, Rennie, Sir William Fairbairn, Sir William Cubitt, and others. The treadmill for prisons, designed by Cubitt in 1818, was first executed at Mr. Penn’s works. But his greatest attention was devoted to flour mills, in which he made many improvements, particularly in the substitution of metal for wood framing.

In consequence of a strike amongst the millwrights, who then constituted a powerful society, Mr. Penn was induced to adopt self-acting tools, which greatly improved the uniformity of the work turned out, and also led to the employment of another class of workmen. Steam-engine making was introduced to the factory; and in his hands, and especially in those of his son, the marine engine was subjected to many important improvements.

Under such a father was the late Mr. John Penn brought up. He received the usual education, but his most important school was the workshop. He learnt the use of his hands, and he worked steadily and perseveringly. He learnt to handle the file; and the use of the file, before self-acting tools were in general use, was a great mechanical accomplishment. He worked at the forge, and could handle the hammer with any man in the smithy. He worked at the lathe, and turned out beautiful work. In short, he was a thoroughly skilled workman, and a master who is becoming very rare in these days; for he could take the tools out of any man’s hands, and deftly show how the work should be done - the true method of securing the workman’s respect and admiration.

He was very intimate with Joseph Clement, a man of great mechanical merit. Clement improved the lathe, which he made self-regulating; and he established a mechanical practice with regard to the pitch of the screw, which has now become universal.

He also invented the headless tap, which, in the opinion of Nasmyth, ought to immortalise him among mechanics. His planing machine was also one of the wonders of the time. He modified it so as to present a complete union of the lathe with the planing machine and dividing engine, by which turning of the most complicated kind was readily executed.

Mr. Penn carefully studied the work going on in Clement’s workshops, and he afterwards became one of his best customers. To the day of his death, he always spoke of Clement as one of the most ingenious mechanics whom he had ever known.

The elder Penn died in 1843; but, for several years before that event, his son had had the entire management of the works. The first engine introduced by him was the well-known 'grasshopper.' A 6 HP. engine of that type drove the machinery of his workshop. It was a small beginning, but it led to many greater things. Some time after, Mr. Penn designed a table engine with a 10-inch vertical cylinder, which answered admirably; and it is still in use at the Greenwich works.

To improve himself in the knowledge of machinery, Mr. Penn visited by turns all the more important establishments in England and in Scotland. He also determined to see what the foreigners were doing; and he made special journeys into Belgium, Holland, Germany, France, Switzerland, and Italy, for this particular purpose. He brought back many 'wrinkles,' which he embodied in his own works.

Mr. Penn was bent on having the best of everything, no matter where it came from. He required to have perfect tools and perfect machinery. Thus his success was not the result of chance, but of faithful and persevering work. He had the seeing eye and the observant mind. He shirked nothing - labour, pains, nor application. He would have no shoddy work. Everything must be turned out in the best manner. He would trust to no underhand information. He trusted himself-his own eyes, his own hands, his own faculties. His great undertaking centred in himself.

When Jacob Perkins invented the steam-gun, the work was sent to Greenwich to be executed. John Penn was then only twenty-one; but he undertook to make the gun. It had a wrought iron rifled barrel of 3 inches calibre. The steam-gun was finished, and answered admirably. Although it had been made to the order of the French Government, it was taken to a piece of waste ground in Westminster to exhibit its wonderful powers, in sight of many military men who were invited to inspect it.

One day the Duke of Wellington came to inspect the steam-gun. Great things were expected from the Dukes visit. John Penn was there to show it off. Everything was done in order; the gun, by the aid of steam, shot off its 3-inch bullets with inconceivable rapidity, penetrating an iron plate 100 yards off. Then the Duke began to put his questions to Penn. 'Now, my young man,' he said, 'what weight is the boiler?' 'About 5 tons,' said Penn. The Duke shook his head. 'Ah!' he said, 'if we had been fighting with steam-guns till now, what a grand thing we should have thought the invention of gunpowder!' The Duke departed, with the same grave wag of his head.

Penn immediately went to Perkins, and said, 'It’s all up with us now.' He told him what the Duke had said. The result was, that the Duke made an unfavourable report on the gun - not so much as regarded its performances, but as to its unwieldy weight while travelling across country or in the field.

The Duke thought better of Penn than of the gun which he had exhibited. He formed a favourable opinion of him, and afterwards found many opportunities of testifying his high admiration of the young engineer. After the trial in London, the gun was sent to France, and Mr. Penn went with it. He remained in Paris for about three months, to erect it and put it in operation. Nothing came of the invention. The revolution of 1830 swept away Charles X. and his steam-gun. It was afterwards brought back to England, and exhibited at the Adelaide Gallery, until the Exhibition was dispersed. It was probably afterwards sold as old iron.

Mr. Penn devoted the principal part of his life to the manufacture and improvement of marine engines. As early as 1823, he repaired the engines of a vessel called the Nero, and fitted her up with new boilers in the following year.

The first marine engines which he made at Greenwich were for the steamer Ipswich in 1825. He was then only in his twentieth year. This vessel gave such satisfaction that it was followed by the Suffolk, employed in the same trade. These vessels ran from London to Ipswich along the east coast, and up the river Orwell. They were fitted with beam engines of 40 HP.

Steam-boats were by this time regularly running on the Thames, and Mr. Penn had his fair share of the trade of fitting them with engines. Whatever he undertook he endeavoured to improve; and in this he was greatly helped by the workmen in his establishment.

He himself took a special interest in training the boys, so that they might become first-class workmen. He gave a great deal of time to them; showed them how they should handle the file, haw they should use the hammer, how they should work at the lathe. He did this in so kindly, and yet in so masterful a manner, that they never forgot his instructions. Mr. Penn was particularly proud of the excellent work obtained from his boy workmen.

By the year 1845, four passenger steamboats, running between London and Greenwich, were fitted by him with beam engines of 45 HP.

In 1833, he began to make marine engines with oscillating cylinders. The oscillating engine was invented by that gifted mechanic, William Murdoch, in 1785. It was afterwards patented by Aaron Manby in 1816.

The oscillating system was at first regarded with prejudice; until Mr. Penn, feeling convinced that there was a good principle involved in the idea, grappled with the difficulties, and eventually brought the engine into favour.

The first paddle-boats with machinery of this construction plied between London and Richmond. They had engines of 24 HP. and tubular boilers, and the results were extremely satisfactory.

At length, the Lords of the Admiralty took up the application of steam power to ships of war. Naval officers, who had grown old in the tactics of sailing ships, could not brook the idea of employing the artificial power. But at length they began to try steam power, first hiring tugs belonging to private owners, and then using a small tug of their own. The Comet was built in 1822, after the designs of the late Oliver Lang. Yet this vessel was only employed in towing ships of war from one naval seaport to another.

But when they saw the steamers fitted with Mr. Penn’s engines scudding up and down the Thames, and more especially when they found the French anticipating them in the use of the new motor in ships of war, their antipathy abated.

In 1844, the Admiralty employed Mr. Penn to remodel the engines on board the Black Eagle. The ship had been formerly provided with beam engines of 131 HP. It was a slow and lumbering ship - so slow and lumbering that, in 1838, a paddle-boat steamer from Rotterdam passed her rapidly at the mouth of the Thames, and soon left her far in the distance. But when Mr. Penn’s oscillating engines replaced the old steam gear in 1844, the Black Eagle became a handy, steady, and rapid ship. He introduced in the same space oscillating engines of double the power, with tubular boilers; thus securing the more rapid production of steam, a much greater speed, and a large saving in coal. Mr. Penn made a voyage in this ship, and carefully watched the action of the engines. He was satisfied that he had already made a great stride in the working of ships of war.

This was the beginning of Mr. Penn’s employment by the Admiralty; and it led to numerous orders for marine engines. Among the most celebrated ships with oscillating engines may be mentioned, Her Majesty’s yacht Victoria and Albert, the Emperor of Austria’s yacht Miramai, the Sultan’s yacht Taliah, the Mahrousseh of Egyptian fame, with a speed of 18.5 knots; as well as a large number of fast passenger steamers plying between England and the continent.

But it was only when the paddle was supplemented by the screw that Mr. Penn began to supply the greater part of his engines to the Royal Navy. In 1843, he was commissioned to make oscillating engines for the Phoenix of 260 HP.; and in the following year for the royal yacht The Fairy of 120 HP., which was employed as a tender to the Victoria and Albert, which lay off Woolwich. The Phoenix and Fairy were modelled after the Archimedes, the vessel which first embodied Sir Francis Pettit Smith‘s invention of the screw propeller. The Archimedes had steamed round the British Islands, and made a voyage across the Bay of Biscay to Oporto. The results were so satisfactory that Mr. Brunel obtained the loan of the vessel, and made various experiments upon her with screws of different pitches.

Mr. Brunel had originally designed the 'Great Britain' to be worked by paddles, and the wheels were actually in course of construction. But when he ascertained the results of the screw system, he altered his designs for the purpose of adopting that propeller. The Great Britain was launched in 1843, but it was not until some years later that Mr. Penn constructed her engines of 500 HP. on the oscillating principle. The screw, however, was not as yet driven direct, but through gearing. This proved entirely satisfactory as regards speed; indeed too satisfactory, as the vessel was run on shore in Dundrum Bay on the North of Ireland, the accident being due in some measure to her excessive speed as compared with the steam vessels of those days.

The screw had been adopted in many merchant vessels. The reports of the Admiralty surveyors were entirely in favour of this method of propelling ships; and at length the Admiralty resolved upon its general adoption. This again put Mr. Penn on his mettle.

Although his success had been great with the oscillating engine, he found it necessary to compress his engine into as small a space as possible, and to place it low down in the vessel, so as to be under the water line and practically below the line of shot penetration. He consequently adopted the 'trunk' engine, for which a patent was taken out in 1845.

In October, 1845, he was commissioned to supply direct-acting engines on the horizontal trunk system, for the Arrogant and Encounter, each of 360 nominal HP. The engines were so admirably executed, so compact, so finished in every respect, that fresh orders flowed in upon Mr. Penn continuously, and up to the day of his death, he had fitted 735 vessels with engines having an aggregate actual power of more than 500,000 horses.

Among the first ships he supplied with trunk engines, were the Agamemnon, the Imphieuse, the Royal George, the St. Jean d’Acre, the Caesar, the Colossus (or the Goloshes, as the seamen call it), the Conqueror, and the Orion. These ships were engined in 1853-4-6. Though the Conqueror for instance, was fitted for 800 HP., it actually indicated on trial 2,812 HP.

These vessels were followed by others of larger size and greater steam power, especially after ironclads came into existence. The application of defensive armour to ships of war was not at first considered safe, but Napoleon III., when Emperor of the French, had the sagacity to see its importance.

In 1855, four vessels were covered from stem to stern with iron armour-plates. It was the use of one of these ships that led to the successful assault of Kinburn at the mouth of the Dnieper; while our wooden ships at Sebastopol were unable to resist the attack of the enemy’s shot and shells.

While the Crimean war was raging in 1854, the admirals found themselves at a great loss for want of gunboats for sounding the way for the larger ships in ascending rivers, and for other purposes of attack or defence. The Government at once ordered one hundred and twenty of them, with 60 HP. engines, to be ready at, the beginning of next spring. It was at first thought difficult to accomplish so large an amount of shipbuilding in so short a time. But the result showed what an immense number of warships the workshops of England can turn out in thee vent of war. Mr. Penn solved the difficulty. He called to his assistance the best workshops of the country; he provided them with patterns, from which duplicate parts were executed and forwarded to Greenwich; and by the admirable resources of his own establishments at Greenwich and at Deptford, he was able to supply ninety-seven gunboats for the spring of 1855.

In all, one hundred and twenty-one engines were fitted by Mr. Penn for the British Government during the Crimean war. The lesson which it taught will not soon be forgotten either at home or abroad, though a great deal more can be done now.

Towards the end of 1858, the Admiralty were induced to take into consideration the construction of iron-clad ships of war. The subject was one of great difficulty. An enormous burden of armour had to be added to the weights hitherto carried; at the same time greater speed was demanded, and this involved an increased weight and power of engines, and a larger supply of fuel.

The 'Warrior' was the first of these iron-clad ships. She was launched on the 31st of December, 1860. She is a splendid ship, constructed on beautiful lines, but as she was iron-cased in the strongest parts only 4.5 inches thick, she is now comparatively helpless in consequence of the increased penetrative power of steel shot. The engines, constructed by Mr. Penn, were of 1,250 nominal HP., but might be worked to upwards of 5,000 indicated HP. The weight of the engines was 950 tons, and that of the whole armament from 9,000 to 10,000 tons. The five thousand pieces of which the engines were composed were fitted together with such precision, that when the steam was let into the cylinders, the immense machine began to breathe and more like a living creature, stretching its huge arms like a new-born giant, and then, after practising its strength and proving its soundness in body and limb, it started off with the power of over five thousand horses to try its strength in breasting the billows of the North Sea.

The Black Prince was the next of the ironclads. It was also engined by Mr. Penn, and proved equally satisfactory with the Warrior. It would be unnecessary to mention all the numerous ironclads and other ships for which Mr. Penn provided the engines, but the following may be cited: the Orlando, Howe, Bellerophon, Inconstant, Devastation, Northampton, Hercules, Achilles, Minotaur, Neptune, and Northumberland. The Sultan gave an indicated power of 8,629 horses, and the Neptune (formerly Independencia) upwards of 8,800 indicated HP., about the highest hitherto realised by one pair of engines.

Another invention of Mr. Penn’s remains to be mentioned. It may be remembered that at the beginning of screw-propulsion, a difficulty was experienced in the heating and wearing of the screw gear. Hence there was a great prejudice against high-speed engines of every kind. Brass, cast iron, and soft metal were tried; but no material could be found to stand the strain and wear. The bearings were rapidly worn away, there was an intolerable noise, and danger to the ship from fracture to the stern tube, besides the loosening of the stern framing, and the wear and tear of the screw shaft under water. The difficulty was so great that at one time screw-propulsion seemed in danger of abandonment, and a return to paddle ships was supposed to be necessary.

At this juncture Mr. Penn instituted an exhaustive series of experiments with various kinds of metal and wood, and the result was the application of lignum-vitae bearings to the screw shafts of steamers. He patented the invention in 1854, and, as usual, his patent was infringed by many shipbuilders. He proceeded against them by law, and in every case his rights were upheld.

The first vessel fitted with the lignum-vitae bearings was the Malacca. It had previously given serious trouble with her outer screw-shaft bearings, wearing the metal away at the rate of 3.5 ounces per hour. The wood bearings introduced by Mr. Penn proved a thorough success, and after 15,000 miles steaming were found to have become worn to the extent of only 1/32nd of an inch. By this means the practicability of screw-propulsion was thoroughly established.

Thus Mr. Penn’s success was the result of a constant study of his profession. He devoted his whole life to his work. He was alike great as a mechanic, as an engineer, and as a man of business. He had a keen insight into men. He rapidly took the gauge of character. Hence his knowledge of the men best fitted to help him in his work. His partners, Mr. Hartree and Mr. Matthew, once his apprentices, were his devoted friends and helpers. The patent for the trunk engine was taken out in the names of the three partners. While never allowing the absolute control of the business to pass from him, Mr. Penn found in them such true friends that he was enabled to take at intervals considerable periods of rest, so necessary to one whose activity and powers of work were so large. Mr. Hartree and Mr. Matthew, now sometime deceased, were both Members of the Institution of Civil Engineers.

Superiority in every respect was his chief aim, 'I cannot afford,' he said, 'I to turn out second-rate work. I must have the best workmen and the best materials.' The engines constructed by him were distinguished for their elegance and their symmetry. They were skilfully designed, and were so artistically finished that they might have graced a drawing-room.

At the Paris Exhibition of 1867 he exhibited a pair of marine engines, which, though they were of no great size, left other competitors far behind. Their finish and their simplicity attracted the admiration of all competent observers. Mr. Penn was there at the time, and it was observed that his merit was only excelled by his modesty.

Mr. Penn was elected an Associate of the Institution of Civil Engineers in 1826, and was transferred to the class of Member in 1845. He served on the Council from 1853 to 1856. He was elected a Member of the Institution of Mechanical Engineers in 1848, and occupied the Chair as President in 1858-9. He was a second time elected to that position in 1867-8. He read several Papers before that Institution. In 1859 he was elected a Fellow of the Royal Society, and in 1869 he was elected an Honorary Member of the Society of Engineers.

Early in 1847 Mr. Penn married Ellen, daughter of the late Mr. William English, of Enfield; and leaves four sons and two daughters.

In 1872 he took his two elder sons into partnership, and retired from the more active duties of the business.

In 1875 he retired absolutely from the firm, his two sons becoming the heads of the establishment, which employs upwards of 2,000 men.

Mr. Penn was endowed by nature with rare social qualities, and was of a most hospitable disposition. For many years he assembled large numbers of guests at the Cedars, Lee. There might be seen men of the highest distinction in art, science, and literature - the best engineers, the best painters, the best philosophers. The summer-evening gatherings were looked forward to with pleasure; they were enjoyed with delight, and left many happy remembrances.

Towards the end of his life Mr. Penn became paralysed in his lower limbs, and later he became blind. Though he felt most keenly the gradual loss of his best sense, nothing could exceed his patience and his gentleness. He was most resigned and cheerful. His wife and family were always about him, and did all that they could to cheer and amuse him in his affliction.

When old friends called he amused them with his infinite fund of anecdote, for he had a wonderful memory. He was pleased to speak of the early engineers, and of those who had helped him on in his successful journey through life.

Although to a certain extent bedridden, when the summer-time came, he was carried on board his beautiful yacht the Pandora. He remained in the covered cabin, and visited the Loire, or the Seine, or the coast of France. In like manner he visited Belgium and Holland, sailing along the great canals. One of his last visits was to the coast of Italy. When the steam yacht stopped at a seaport town visitors flocked on board to see the ship. Mr. Penn was always glad to chat with them in their own language, whether it were French, German, or Italian.

He died on the 23rd of September, 1878, at the age of seventy-three; and thus passed away a great man, one of the most distinguished workers of this age and country.



Obituary of his son, John, 1903[5]

"...John Penn, whose death at the comparatively early ago of fifty-five we regret to have to record, was the son of the late Mr. John Penn, of the Cedars, Lee, Kent, and grandson of the founder of the noted firm of John Penn and Sons, marine engineers, of Greenwich and Deptford. In our issue of this journal of January 20th, 1899, when giving some brief biographical notices of the originators of some of the shipbuilding and marine engineering establishments in the Thames district in the Victorian era , men who have helped to make that era the most noteworthy in the history of the world, we necessarily included among those worthies the father and grandfather of the late Mr. Penn, the subject of our present notice. The late..."More.


See Also

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Sources of Information

  1. 1826 Institution of Civil Engineers
  2. 1879 Institution of Mechanical Engineers: Obituaries
  3. 1880 Institution of Civil Engineers: Obituaries
  4. The Engineer 1878/09/27, p229.
  5. The Engineer 1903/11/27, p526.