Large Box Sextant C. Cummins

Brass large boxsextant, 12.5 cm diameter, with a mahogany handle, in mahogany box

Type of object:

Sextant

Time period:

Britain rules the waves + France

Place:

London

Date:

1850

Maker / Author:

C. Cummins, 148 Leadenhall St. London

Publisher / Printer:

Cummins

Dimensions:

43 mm outer diameter, total length 73 mm

Material:

Brass and glass, and mahogany handle, in Box

Graduation:

Graduation: -5 till 158°

Inscription:

C. Cummins, 148 Leadenhall St. London

Provenance:

Ireland

References:

See full item list

Description

Brass large boxsextant, 12.5 cm diameter, with a mahogany handle. Two chades, one correction key included. Two pinhole shutters. Quadrangle mahogany case. The key is missing.
Two viewingtubes, one of 13.0 cm long, reversed image, another tube of 8.4 cm, direct vision
Provenance: Ireland