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
445 Printed advertisement entitled: "A Remarkable Opportunity for Amateur Astronomers. Sale of Mr. With's choicest reserves of silvered glass specula for Newtonian telescopes"
7 sheets with 12 manuscript pages Description of, and plans for, proposed ventilating arrangements for ship 'Immortalite'
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'
235 Certificate of Merit from the Alford Agricultural Labourers' Society ... for the encouragement of deserving labourers and servants.
135 Printed Booket entitled: "A few remarks on what has been done with screw-propelled Aeroplane Machines, from 1809 to 1892"
35 pages and 6 drawings Description of Pumping, Flooding, and Drainage Arrangement of cruiser 'Mildura', and associated drawings
345 Photograph of triple expansion condensing engines for British India Steam Navigation Co.'s S.S. "Kavlana" & "Kasara"
145 Compendium volume entitled 'The Thorneycroft's Patents & Inventions, with Tours, Flights, Trips, Sports, Pastimes and biographical sketch'