Mahogany and brass sextant.

Made:
1785-1795 in St Paul's Churchyard
maker:
Peter Dollond

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Mahogany framed sextant with brass index arm and scale, wooden handle, with two inlaid ivory maker plates on the crosspiece, by Peter Dollond, London, 1785-1795. Consists of 131° polished scale (-3° to 150°) with 20’ divisions and brass vernier, three filter shades (two red, one green). Fitted with threaded telescope bracket for telescope (125 mm, object glass missing) with a shaded eyepiece and scale magnifier (singe lens) on a 40 mm swivelling arm.

Details

Category:
Astronomy
Object Number:
1938-716
Materials:
copper (alloy), glass, ivory and mahogany (wood)
type:
sextant
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
credit:
Mr Thomas H. Court

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