A rare early backstaff with ebony frame and boxwood scales. Marked "John Urings Facit" or made by John Urings. The two arcs, one at 60 degrees and the other at 30 degrees, sit at opposite ends of the staff.

The backstaff is in excellent condition for its age. The scales include small carved decorative motifs including roses, stars and fleur-de-lis.

No. 2444.

Binocular size: 27 5/8 inches long x 12 inches wide.

Height: 67 inches with tripod.

Type: straight type, Diameter of Objective Aperture: 120 mm.

Magnification: 20X - field of view: 3 degree - exit pupil: 6 mm.

Mount: York type rigid mount with azimuth and elevation circles divided in 1 degree increments.

By The Trippensee Mfg. Co. Detroit, Mich., U.S.A.

Pat. U.S. Mar 10,08.

Canada July 21,08.

Dimensions: 21 inches wide x 14 inches high, 7 1/2 inch base. The brass sphere measures 6 inches wide and the globe is 3 inches in diameter.

Rare wood bowl, dry card compass by S.Thaxter & Son 125 State Street Boston. With original brackets

Dimensions: Wood bowl compass 5 inches high x 7 5/8 inches wide.

Compass card: 6 inches wide.

Overall height with stand: 15 inches high.

The ship's wheel turns the set needle manually to mark the current reading.