Brass framed quintant, with carrying case.

Made:
1885-1891 in Strand
maker:
William Cary

Quintant made by (William) Cary, London, about 1890. Anodized brass straight-bar pattern frame; polished limb, a wooden handle with a brass-lined hole for placing it on a stand. Signed on the limb: Cary, London. Marked on the limb: Platina. Marked on the centre strut: HO [broad anchor] 12. Inlaid platinum scale from -5° to 160° every 10', measuring to 148°. Gold vernier to 10", zero at the right. The tangent screw and clamping screw are on the back of the index arm. Four shades (all grey/green); three horizon shades (all grey/green). Index-glass adjustment by capped screw; adjustment of the horizon glass by a capped screw and a capped thumb screw. Magnifier on a 80 mm swivelling arm. Threaded telescope bracket in two parts, fitted for correcting collimation error; perpendicular adjustment by rising-piece and a milled knob. Telescope (171 mm) inverted image, four cross-wires. An anodized brass column on a tripod stand with three milled levelling screws, for mounting the quintant. The counterbalanced swinging mount can be locked into the desired position by milled screws. Wth wooden carrying case.

Details

Category:
Water Transport
Object Number:
1876-993
Materials:
brass (copper, zinc alloy), glass and wood (unidentified)
Measurements:
overall (on stand): 400 mm x 340 mm x 280 mm, , 5.695kg
type:
quintant
credit:
Admiralty Hydrographic Department

Parts

Carrying case for brass framed quintant.

Carrying case for brass framed quintant.

Carrying case for quintant made by (William) Cary, London, about 1890. Anodized brass straight-bar pattern frame; polished limb, a wooden handle with a brass-lined hole for placing it on a stand.

Materials:
wood (unidentified) and brass (copper, zinc alloy)
Object Number:
1876-993/1
type:
quintant
Brass framed quintant

Brass framed quintant

Brass framed quintant

Object Number:
1876-993/2
type:
quintant
Telescope for brass framed quintant

Telescope for brass framed quintant

Telescope for brass framed quintant

Object Number:
1876-993/3
type:
telescope