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BRASS ROLLING RULE ENGLISH VINTAGE SCIENTIFIC INSTRUMENT

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Book Advertising Booklet South-Ukrainian Nuclear Power Plant Atomic Russian NPP

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Rare vtg guides x10 ASSOCIATION OF ENGINEERING & SHIPBUILDING DRAUGHTSMEN folder

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Faber Castell 52/82 "DUPLO" Slide Rule. Made in Switzerland w/ Case and instruc

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Faber-Castell Slide Rule 1/87 Wood & Plastic with Case Made in Germany

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UNIQUE ELECTRICAL Slide Rule Wood / Celluloid part of Original Case

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A G Thornton vintage slide rule including case - good condition

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Post Soviet 1994 Vintage Abacus Calculator Ussr Wooden Counting Wood Accountan