Spare telescope for a quintant made by (William) Cary, London
Spare telescope for a quintant made by (William) Cary, London, 1850-1860
Quintant with 3-inch radius limb, anodized brass frame and silver inlaid scale marked -5° to 165° (144° range), 20 arc-min. divisions' with silver vernier scales to 30 arc-sec. and hinged wooden handle, without box, by (William) Cary, London, 1850-1860. Fitted with tangent and clamping screws at back of the index arm; two shades (both green); two horizon shades (both green); index-glass and horizon glass with screw adjustment; Magnifier (single lens) on 45 mm swivelling arm and Threaded telescope bracket with two telescopes, (70 mm) erect image, (105 mm) inverted image and sight tube (69 mm).
Spare telescope for a quintant made by (William) Cary, London, 1850-1860