Cleaver Improved Protractor by William J. Young & Sons
- Sold for:
- Clocks, Watches & Scientific Instruments - 2502
- Date / Time :
- May 01, 2010 10:00AM
Cleaver Improved Protractor by William J. Young & Sons, Philadelphia, Pennsylvania, the brass drafting instrument with pierced spandrels and signed on the backplate in script, Young & Sons, Philada. PA, the rotating center carries a silver scale calibrated 0-360 degrees, compass directions in block lettering and vernier with knurled thumb screw adjustment, 6 1/2 in. square.