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Charles Babbage. Pencil drawing by C. E. Liverati, 1841.
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Machine à différences N°1 (titre forgé)
Machine à différences N°1 (titre forgé)
Representation of a portion of Charles Babbage 's differentiating machine. Babbage conceived his first machine of differences in 1823 and began its assembly in 1833; but the projec...
Designs (14) for embroidered borders featuring stylised flowers and scallop-shell shapes, ca. 1836, by Sarah Bland (1810-1905). Designs (14) in pen and ink, pencil and one coloured with watercolour of stylised floral borders. Three of the designs feature
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Section of adding and sign axes and wheels frames etc. Complete (titre original)
Section of adding and sign axes and wheels frames etc. Complete (titre original)
Technical drawing for Babbage’s calculating machine....
Frame of adding wheels
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Technical drawing for Babbage’s calculating machine....
Plan of adding wheels and of long and short pinions (titre original)
Plan of adding wheels and of long and short pinions (titre original)
Technical drawing for Babbage’s calculating machine....
Adding axis and wheels without framing (titre original)
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Technical drawing for Babbage’s calculating machine....

