Bradshaw's Patent Sighting Level, with 24 in. tangent-screw-set triangular oak tube, pinhole, and 7 in. telescopic sights, inset vial with brass cover engraved R. W. Bradshaw's Patent. W. Harling Maker, London , brass staff mount and later turned mahogany stand, ht. 8 in. level, (brass cleaned).
Auctioneer:
Skinner
Date:
2009-07-25
W.J. Young Vernier Compass, Philadelphia, Pennsylvania, c. 1830-40, original lacquered brass instrument with 6-in. dia. dial marked "W.J. Young/Philadelphia/Patent," blued-steel needle with needle lifter on Read more…
Auctioneer:
Skinner
Date:
2019-04-12
William J. Young Surveyor's Compass, Philadelphia, Pennsylvania, c. 1830-40, lacquered brass instrument with 6-in. dia. brass dial marked "W.J. Young/Maker/Philadelphia/Patent," blued-steel needle with needle lifter Read more…
Auctioneer:
Skinner
Date:
2019-04-12
