Darling, Brown & Sharpe Precision Square Rare!
This is a nice clean precision machinist / toolmaker's square marked "D. B. & S PROV. R.I.". The marked is that of Darling, Brown & Sharpe which became Brown & Sharpe Mfg. Co. in 1892 when Darlings interested where bought out. D. B. & S is a common mark on these 19th century precision tools made from 1866-1892. This square is 5.5 x 3.8" wide. It's in very good original condition with some minor staining, no rust or owner's names. Has been inspected, and is still accurate. A good useable square, quality made, over 100 years old!
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