Illuminated Snellen's charts with mirror and wall bracket. c.1930. Illuminated Snellen's charts with mirror and wall bracket circa 1930
[Charts (2) detailing chronology of development of digital electronic computers / Science Museum. 1967 and 1969. /1 (xerox copy) is preliminary draft for Science Museum's gallery 46, and details developments in Germany, UK and USA from 1936 to 1967; /2 (incomplete ms. by Graeme Fyffe) details developments similarly from 1935 to 1969] Charts (2) detailing chronology of development of digital electronic computers 1967-1969
[Lubrication charts (22) for various motor cars / C.C. Wakefield & Co. Ltd. [for] Castrol Ltd. 1954-1966. See also MSL 270 (inv. no. 1997-913)] [Lubrication charts for motor cars] 1954-1966
Three Mollier diagrams, 1954, and one Total Heat-Entropy chart relating to steam, 1939, produced by Simon Carves Limited of Cheadle Heath, Stockport. Mollier diagrams and Total Heat-Entropy chart relating to steam 1939-1954
3 large binders of formerly classified documents: group distribution charts and delivery schedules. 1 binder contains original documents, 2 binders contain diazo positive copies. Collection of administrative records relating to the distribution of Fairey Barracuda aircraft
Phrenograph, by C.W. Allwood, comprising two large printed paper sheets giving details of Allwood's Phrenograph with particular reference to three illustrations of the human brain showing the Phrenograph, by C.W. Allwood
Three large canvas charts showing the location of all the Royal Aircraft Establishments and the personel numbers working there also on another the strengths of major subdivisions of the workforce in relation to qualified scientists and engineers, and on the third a breakdown in detail of staff layout of the R.A.E. with the number of people working in each sub-division. Three canvas charts showing the location of all the Royal Aircraft Establishments and the personel numbers working there 1964
Two board-mounted charts on the subject of astronomy, by Mathematical Pie Ltd. Two board-mounted charts on the subject of astronomy 1950-1980
Five unmounted charts on the subject of magnetism, by Pictorial Charts Educational Trust, 132 Uxbridge Road, London, W13 8QU Five unmounted charts on the subject of magnetism 1950-1980