Catalogue of the collections in the Science Museum, South Kensington...Calculating machines and instruments

London: HM Stationery Office, 1926. Baxandall, David. Catalogue of the collections in the Science Museum, South Kensington, with descriptive and historical notes and illustrations. Mathematics. I. Calculating machines and instruments. London: H. M. Stationery Office, 1926. Original green printed wrappers, spine repaired, perforated library stamp on front wrapper and title. Boxed. 85 [1]pp. 13 plates. 246 x 155 mm. Provenance: Franklin Institute, Philadelphia. First edition. A well-annotated and well-illustrated historical catalogue, focusing primarily on European calculating machines and instruments from the seventeenth to the early twentieth centuries. Among the machines illustrated are two machines built by the Earl of Stanhope, and an original Morland calculator. All three of these machines were formerly owned by Charles Babbage. This remained the most useful and informative exhibition catalogue of early calculating instruments through the 1960s. An updated edition of the catalogue was issued in 1975. Origins of Cyberspace 222.