Auction: Clocks, Watches & Scientific Instruments - 2447Location: MarlboroughDate / Time: July 25, 2009 10:00AM
Description:
Brass Protractor by Heath & Company, London, with a 6 1/2 in. dia. circle with three spokes, one marked with maker's name, inset silver scale calibrated 0-180 to two quadrants, vernier scales with thumbscrew adjustment, and attached brass rules all in a fitted mahogany box, lg. 19 3/4 in.
Estimate $100-150
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