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file U (Stack)Dickinson, H. W. (Henry Winram), 1870-1952
A brief history of draughtsmen's instruments
To be read at the Science Museum, London, S.W.7, February 8th, 1950. [S.l.] : Newcomen Society for the Study of the History of Engineering and Technology, [1950?]. (Advance copy of paper (duplicated typescript)).