One of a group of models and drawings of the Eddystone Lighthouses - third lighthouse (Smeaton's) - a model

Model of the engines made by Messrs Elder and Co. of Glasgow, for the ocean steamers "Zealandia" and "Australia", scale 1 1/2 inches to 1 foot, made from drawings lent by Messrs Elder and Co.

Model of a thrust block with twelve collars made for the turbine steamship Osterley, made to a scale of 1:8

Front bicycle wheel fitted with the first pneumatic tyre, made of Arbroath sailcloth and India rubber, invented and made by John Boyd Dunlop, Edinburgh, Scotland, 1888

"Rover" safety bicycle with solid rubber tyres, made by J.K. Starley of Starley & Sons, Coventry, c. 1888

Model of a "Scotch" marine boiler, to a scale of 1 inch to 1 foot, fitted with all mountings and in position in a part of the hull of a steamship, 1910

Model of a full rigged ship made by Chinese sailors on board the lightship Lang Shan, near Shanghai, c. 1875

Anzani military type aeroplane engine complete with carburettor but without a magneto, built in 1910

Propeller for Anzani aeroplane engine, No. 1026

Holden motor bicycle with a four cylinder engine, built in 1895 by Colonel H.C.L. Holden, C.B., F.R.S.

Model of a reinforced concrete bridge built at Wraysbury, Buckinghamshire in 1914, to a scale of 3/8 of an inch to 1 foot

Aeroplane propeller built up of laminated wood, marked "G 1431, N 25, AB 662, GRH, Wolseley Viper, Hispano Suiza"

One of a number of parts of the Parnall Panther biplane - propeller

Four cylinder Wright aeroplane engine built in 1910, fitted to a Wright Model B Airplane, and sold to Harold W. Brown, 1 June 1911

Model of Penn oscillating engine and paddles, brass, made to a scale of 1:16, 1840

Model of a warren girder bridge over the River Indus at Kotri built by the Thames Iron Works and Shipbuilding Company in 1898, to a scale of 1 inch to 10 feet