Brass framed sextant.

Made:
1810-1815
maker:
Matthew Berge

Sextant with polished brass and gunmetal frame, polished brass limb, detachable wooden handle and fitted mahogany case, by Matthew Berge, London, England, 1810-1815. Consists of inlaid polished silver 131° scale (-2° to 155°) with 20’ divisions and vernier, four index-filter shades (red & green) and three horizon filters (red & green), scale magnifier on 80mm swivelling arm. Fitted with threaded telescope bracket for sighting telescopes (62mm – erect image 134mm – inverted image & 58mm – tube) and detachable silvered plate for reading scales.

Details

Category:
Astronomy
Object Number:
1981-1933
Materials:
brass, gunmetal and mahogany
type:
sextant
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
credit:
Delehar, P.