3 items Original sketches of the apparatus used by C. Vernon Boys in his repetition of the "Cavendish Experiment"
105 Portrait photograph of Professor John Hopkinson, Professor Wilson and senior students at King's College, London
No scale. Two bear manuscript annotations; all three bear, in pencil, 'Opt. Compass'. Technical drawings of 'optical compass' used by Boys when repeating the 'Cavendish experiment'
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
35 pages and 6 drawings Description of Pumping, Flooding, and Drainage Arrangement of cruiser 'Mildura', and associated drawings
6 items Specification and arrangement drawings for composite sloops, with protected engines and boilers, 'Satellite', 'Heroine' and 'Hyacinth'
87 pages in 1 item. 135mm x 200mm. Programm der Könglich Württembergischen Technischen Hochschule in Stuttgart