Frederic Arthur Harper (1 results)

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Improvements relating to slide rules being British Patent Number: 194418 application date Dec 14, 1921
CHARLES EDWARD FAIRBURN; ENGLISH ELECTRIC CO LTD; FREDERIC ARTHUR HARPER
Published by HMSO
- First Edition
Seller: M.A. Stroh., London, United KingdomM.A. Stroh.
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no binding. Condition: good. First Edition. Original Printed patent disbound institution stamp About 27cm by 18cm some wear and tear due to the disbinding.