Sold for:
$588

Drafting Instruments, a brass parallel rule with protractor by Wm. Helfrfricht, Philadelphia ; a French brass sector; a 9 1/4-inch brass parallel rule with engraved links and central rosettes; a 15-inch ebony parallel rule with shaped brass links, in mahogany case; and a brass full-circle protractor, with two scales of degrees divided 0-90 in four quadrants and 0-360 , dia. 6 in.


Skinner

Auctioneer:
Skinner

Date:
2006-07-29

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Shagreen-cased Drafting Instruments, probably London, 19th century, with brass and steel instruments and bone rule, housed in a wood and shagreen fitted traveling carrying case Read more…


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Boxed Set of Drafting Instruments, including a 13 1/2 in. brass and steel divider, compass, and other instruments in a felt-lined walnut box, lg. 15 Read more…


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Date:
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