Note: Sir William Herschel to Sir William Hamilton re astronomical observations in Naples; date [1791?], 1p, 4[octavo] Note: Sir William Herschel to Sir William Hamilton
Collection of research notes of John Hammond for his books on the camera obscura and the camera lucida. Comprise notes and background information relating to Hammond's books on the camera obscura (1981) and the camera lucida (1987, co-written with Jill Austin). They include copies of patents, inventories and biographical information on W.H. Wollaston and Cornelius and John Varley. [Brief listing available] Collection of research notes of John Hammond
[b & w photo] "Karrier" 6 wheel super safety chassis / Karrier Motors Limited. [ca.1925. Photo by Bray & Son, Holmfirth] [b & w photo] "Karrier" 6 wheel super safety chassis / Karrier Motors Limited
['Sir John Barton's scheme for preventing forgery of Bank of England notes' / John Barton. ca.1819. 1 sheet, bearing fifty engravings, each 1 1/2" square and each of a unique pattern. Sheet originally mounted on piece of linen which bears the title [assigned in 1931?] and "Various combinations of engraved cubes probably done on Lathe with overhead motion & some in dividing Engine". See MS 1359 for letter relating to this item] Sir John Barton's scheme for preventing forgery of Bank of England notes'
[Mounted b & w 'touched up' photograph, ca.1924, of a 3.5-ton electric wagon made by Clayton Wagons Ltd., Lincoln. See also 1924-65] Mounted b & w 'touched up' photograph
[Blueprint] General arrangement of 6 & 8 H.P. Twin Engine (Air Cooled) / J. A. Prestwich & Co. 1920 Oct. [Scale 1 : 1] Blueprint, General arrangement of 6 & 8 H.P. Twin Engine (Air Cooled)