3 items Collection of documents relating to the Portsmouth-to-Admiralty semaphore line designed by Sir Home Riggs Popham
105 Portrait photograph of Professor John Hopkinson, Professor Wilson and senior students at King's College, London
6 pages Pages from The Kaleidoscope Periodical, "being a Biographical Sketch of that celebrated Aeronaut, [William Wyndham Sadler] and a narrative of the events which led to the melancholy catastrophe of his death"
A collection of glass lantern slides capturing the development of flight from an early set of images from the 1909 aviation meeting held at Reims, France through to images of aircraft from Imperial Airways and flying boats in the late Thirties. The History of Aircraft and Flying
2 items Extracts from correspondence relating to the installation of a steam engine at the Royal Foundry, Woolwich Arsenal
610 Patent granted to Peter Cox, civil engineer, of Fairford, Gloucestershire, for 'Improvements upon the Thrashing Machine'
35 pages and 6 drawings Description of Pumping, Flooding, and Drainage Arrangement of cruiser 'Mildura', and associated drawings
565 Engineering drawing: International Exhibition 1862; Machinery Department; Chimney for Boiler House
225 Proposal by Richard Trevithick to Mr Robert Fox Junior for the use of an engine to bore, cleave and move limestone