Sold for:
$150
$150
Two Drafting Instruments, 20th century, a Keuffel & Esser Co. 7 3/4-in. circular protractor with inner and outer scales, single arm with straight-edge, vernier with split scale 0-30, in a velvet-lined case; and a three-arm protractor with a 6 1/4-in. brass and silvered circle, inset scale, one stationary arm, two movable arms with dual vernier readouts, and two arm extensions, all in a velvet-lined wooden box.
Auctioneer:
Skinner
Date:
2013-05-23
