Plastic yachtman's sextant
- maker:
- Henley Plastics Ltd.
This image is released under a CC BY-NC-SA 4.0
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LicensePatent ?Boat? sextant (No
Science Museum Group
© The Board of Trustees of the Science Museum
Patent ‘Boat’ sextant (No.42450), grey plastic plate and index arm with stiffening (without case), by EBBCO, Wargrave, Berkshire, England 1970-1975. Consists of plastic 120° scale (-20° to 120°) with 10’ division and aluminium micrometer (10" scale), three index-filter shades (red & green), two horizon filters (blue & green). Fitted with sighting telescope (erect image – 73mm).
Details
- Category:
- Navigation
- Object Number:
- 1994-221
- Materials:
- plastic (unidentified), aluminium (metal), paint, metal (unknown) and glass
- Measurements:
-
overall: 235 mm x 230 mm x 75 mm, .345kg
- type:
- sextant
- credit:
- Force 4 Chandlery
