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Non-electronic calculating apparatus : an illustrated listing of 2900+ GB patent specifications, 1793-1999
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Non-electronic calculating apparatus : an illustrated listing of 2900+ GB patent specifications, 1793-1999

Bruce O. B. Williams

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"With drawings and text from full patents pre-1850 & from abridgements 1855-1919. Hyperlinks to full patents from 1915".
In Excel format.

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Non-electronic calculating apparatus : an illustrated listing of 2900+ GB patent specifications, 1793-1999 by Bruce O. B. Williams. ISBN 0953503976. Published by C.A. Barnes in conjunction with the UKSRC in 2004. Publication and catalogue information, links to buy online and reader comments.

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