Black-lacquered sextant, diamond-pattern frame, polished brass limb and wooden handle, by H. Haecke, Berlin, Germany, 1901-1910. Consists of Consists of inlaid silver 131° scale (-2° to 152°) with 30’ divisions, silver vernier (1’ divisions) three filter shades (two grey, one green) and reading magnifier (missing). Fitted with threaded telescope bracket with telescope (89 mm, large objective) erect image; extra draw tube (53 mm) erect image and Sight-tube (53 mm). Provided with extra set of horizon filters (two grey, one green), brass cased prism and handle from another instrument.
Details
- Category:
- Surveying
- Object Number:
- 1920-94
- Materials:
- brass (copper, zinc alloy), wood (unidentified), ebony, steel (metal), glass and paint
- Measurements:
-
overall: 210 mm x 280 mm x 290 mm, 1.78kg
- type:
- sextant
- credit:
- Admiralty Hydrographic Department
