Thomas Smith and Sons
Steam and Electric Crane Works of Rodley, Leeds.
1840 The output of the firm consisted mainly of guy and derrick cranes, hand operated
1841 Balmforth, Smith and Booth, millwrights of Calverley, Pudsey (near Rodley)
1847 Balmforth, Smith and Co were Brass and Iron Founders, Engineers, Millwrights, and Crane Manufacturers, at Rodley
1858 Jeremiah Balmforth died, his share in the business falling to his son William Balmforth, with the consent of David Smith.
1859 January. David Smith died intestate, and his son, Thomas Smith, then 21 years of age, took over the direction of the firm. Documents describe the partners as Brass and Iron Founders.
1860 The sole draughtsman was John Brook and he designed the 3-ton and 5-ton Steam Guy and Derrick Cranes. They were of single cylinder type. Later, Brook evolved a drive for the travelling motion of locomotive cranes, operated by means of a shaft through the centre pillar.
1861 April. Thomas Smith assumed full control of the company.
1860s Smith's widened their range by the inclusion of overhead travelling cranes
1877. Travelling steam Crane. 
1887 Fitted a shovel attachment to a 3-ton steam crane to produce the first Smith excavator.
1888 Combined excavator and steam crane. Illustration and details. 
c1900 Sponsored the invention of a Manchester engineer named Jubb who patented a design for a trencher attachment. This was fitted to a 3-ton Smith steam crane, and several of these machines were produced.
1902 The three sons of Thomas Smith entered into partnership, all having been brought up in the business — Frederick Hardcastle Smith, Walter Tom Smith and George Edward Smith
1909 June. Thomas Smith died
1914 Manufacturers of electric, steam and hand cranes of all types and powers, cantilever cranes and special cranes for quays, capstans, Goliaths, permanent way cranes, transporters, overhead travellers, single rail cranes, harbour and dock cranes, breakdown cranes, locomotive cranes (electric and steam). Employees 400. 
1918 Private company.
1927 See Aberconway for information on the company and its history
1939 March 28th. Frederick Hardcastle Smith, Walter Tom Smith and George Edward Smith, described in the articles as the "First Directors" and "Life Directors", and who held all the Ordinary Share Capital in the Company, transferred three-fourths of their respective holdings to Thomas W. Ward Albion Works. Sheffield. As a result of this transfer, Thos. W. Ward, Limited, assumed financial control and appointed the following gentlemen as Directors: Joseph Ward, J.P. (Chairman), Frank Rutland Stagg, James Bussey, and Charles Albert Lee..
1947 Employing 860 persons on a 15-acre site
1960 Advert for shovels and draglines for strip-mining. 
1961 Crane and excavator makers. 
Mobile crane. Exhibit at Bradford Industrial Museum.
Sources of Information
- The Times, Oct 16, 1942
- Pigot & Co.'s Directory of Yorks, Leics, 1841
- London Gazette 19 January 1847
- The Engineer 1877/03/16
- The Engineer of 15th June 1888 p503 & p510
- The Times, Jun 04, 1909
- 1914 Whitakers Red Book
- Mining Year Book 1960. Published by Walter E. Skinner. Advert p701
- 1961 Dun and Bradstreet KBE
- A History of Thomas Smith and Sons (Rodley) Ltd. Privately Published 1947.