Adding Prints

An engraving depicting a Burroughs adding machine which printed on a roll, 20th century
From £69.98

Colorimeter, after design by Labilliardiere with modifications by Salleron
From £69.98

Add 27255 fol.96v The Sudra Caste
From £69.98

An engraving depicting a clerk using a Pascal adding machine
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Clerk using a Pascal (1623-1664) type of adding machine. Woodcut London, 1835
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Pascal's (1623-1664) digital counting machine (1642) showing
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Inhabitants of French Guyana preparing Annatto, from Encyclopedie des Voyages
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Abacus, Bead Calculator, probably 19th century (wood & metal)
From £69.98

The Timekeeping Department at Hog Island Shipyards in Philadelphia, 1918 (b / w photo)
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Allegory of Arithmetic, from Margarita Philosophica by Gregor Reisch
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Calculating Machine Known as The Difference Engine from
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Printed to Order and Licensed for Personal Use