Sold for:
$123

T. Shaw 12-inch Boxwood Rule, London, c. 1846, engraved rule and scale with sliding brass extension rule, steel tips, and brass rule joint engraved "T. Shaw 1846."


Skinner

Auctioneer:
Skinner

Date:
2016-06-01

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Sold for:
$118

Binary Slide Rule and Other Calculating Instruments, by Tavella Sales Co., New York , copyright 1931 and 1940, the 8 1/2-inch dia. metal disc with Read more…


Auctioneer:
Skinner

Date:
2007-03-24