Black-lacquered brass triangle-pattern frame, wooden handle. Tangent screw and clamping screw on the back of the frame. Four shades (two red, two green); three horizon shades (two red, one green). Index glass adjustment by capstan screw; horizon glass by capped screw and capped milled thumbscrew. Threaded telescope bracket in two parts, fitted for correcting for collimation error, rising piece by milled knob. Star finder (69 mm) erect image, telescope (183 mm) inverted image, four cross wires; extra drawtube (51 mm). Sight tube (82 mm); adjusting pin missing. Polished mahogany keystone box lined with green textile, and a trade label for T.S. & J.D. Negus, 140 Water Street, New York.
Materiale
Signed on the limb: "Crichton, London."
Marked on the farme near the shades: N. M. Crouse/ Utica N.Y.
![[it-IT]Go to[it-IT] Axiell Internet Server 6 [it-IT]Home page](/Content/Images/Adler_Logo_lockup_RGBsmall.png){kind=logo}
