1851 Great Exhibition: Official Catalogue: Class V.: James Boydell
660. BOYDELL, JAMES, 54 Threadneedle Street — Inventor and Manufacturer.
Pair of wheels placed under a truck, for facilitating the draught of heavily-laden carriages, especially on soft grounds. Applicable to the wheels of railway carriages, in certain circumstances.
Skeleton frame of a building, iron and wood, exhibiting a new method of joining iron joists and rafters to wood, and framing a roof by wedging iron laths in grooved rafters. Also a light framework of iron, rolled at once into the shape required to form a ceiling, and receive the usual plaster. Its object is to limit the ravages of fire.
Door to be used in a fire-proof house.
Section of a ship's side, showing a method of casing iron ships with wood, without using bolts or rivets. By the introduction of a non-conducting substance (that used in the model being silex and gutta percha), between the wood and the iron, a vessel may be coppered without risk of decomposition from contact of the copper with the iron.
New method of framing the sides of iron ships, the object of which is to obtain greater strength at less cost.