Bonsall, Marsh and Brown
1821 December. Advertisement for an apprentice. Bonsall, Marsh and Brown's engine, lathe and tool manufactory, 8 Marylebone street, Piccadilly.[1]
1822 Advertisement. Selling a second-hand lathe. Bonsall, Marsh and Brown's engine, lathe and tool manufactory, 8 Marylebone street, Piccadilly.[2]
1822 Advert: 'To GENTLEMEN AMATEURS.—To be SOLD, a SECOND-HAND TURNING-LATHE, with Segment Engine, Sliding Rest, Oval Chuck, and a variety of other Chucks, with apparatus for Ornamental Turning. — Apply at Bonsall, Marsh, and Brown's Engine, Lathe, and Tool Manufactory, No. 8, Mary-le-Bone-street, Piccadilly.— Ivory and Hard Woods on Sale.'[3]
1823 Sale Notice: 'Gentlemen's highly finished Lathes, Engines, and Tools; Cutlery; also the Lathes, Engines, Implements, and Effects of the Manufactory, No. 103, Quadrant, Regent-street - By Mr. EDWARD FOSTER, on the Premises, on Tuesday, next, and following Day, at Twelve,
ALL the valuable STOCK and WORKING TOOLS of Messrs. BONSALL, MARSH and BROWN, late of Mary-le-bone-street, Piccadilly, Engine, Lathe, and Gentlemen's Tool Manufacturers, by direction of the Trustees, for the benefit of the Creditors; consisting of screw, mandrill, and other lathes, grinding and sawing machines, teak chests, and cabinets of tools, cutlery, and edge tools ; in the mnanufactory will be found a powerful lathe of 16-inch centre, with all proper appartus, eight capital turning lathes, grind-stones, fire backs, tire-irons, forge bellows, iron troughs, anvils nd blocks, workbences and vices, forge tools, sliding rests, die stocks, patterns, rough forge work, steel, brass, wrought and cast iron, ivory, purple and other hard woods, mahogany, beech, &c.
May be viewed....' [4]