Near-Miniature Brass Surveyor's Compass by Jonathan T. Hobby

Description:

Near-Miniature Brass Surveyor's Compass by Jonathan T. Hobby, New York, with 4-inch dia. silvered dial, thistle-like fleur-de-lis at North, foliate garland surrounding blued-steel needle with clamp and agate hub above maker's signature, East and West points reversed, needle ring divided 0-90° in four quadrants, baluster-shaped limb with two vials, remains of the original lacquer, and twin screw-on sights, lg. 12 x ht. 7 1/2 in., in dovetailed mahogany case with staff-adaptor and maker's label Jonathan T. Hobby, (Formerly Sawyer & Hobby),Mathematical Instrument Maker, No. 156 Water St., One door from Maiden Lane, New York, wd. 13 in.
Estimate $800-1,200

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