Brass double frame (pillar frame) bridge type, wooden handle. Tangent screw on the front of the index arm; the clamping screw is on the back. Four shades (three red, one green); three horizon shades (two red, one green). Index glass adjustment by screw; horizon glass by capstan screw and capped screw. Magnifier traveling on worm screw. Threaded telescope bracket with rising piece by milled knob. Telescope (126 mm) incomplete; telescope (131 mm) incomplete. Sight tube (89 mm), various unidentified parts are missing. Fitted mahogany box restored in 1990 (plywood lid top). Two latch hooks plus lock.
Inscription/Sig.
Singed on the limb: Ramsden London
Marked on the back of the frame near the pivot: 1336
