Babbage's calculating machine; or difference engine
Subtitle: a description of a portion of this machine put together in 1833 and now exhibited, by permission of the Board of Works, in the Educational Division of the South Kensington Museum.
Publisher: [South Kensington Museum]
Published: 1872
Place of publication: London
Language: eng
Subjects: Babbage, Charles, -- 1792-1871.