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Description: | ?J.B. Gepr�ft Deutsche Seewarte?
?Seekreiselsextant | Ger�t 616-42A | Hersteller gtl?
The sextant has a casing of aluminium and artificial materials, housing optical equipment, a clockwork averaging mechanism, electrical equipment, and a rubber eyecup. The instrument is contained in a square fitted wooden carrying case containing eight shades, four green and four red, a battery charger, eight light bulbs, a plastic suspension strap, a detached handle, and instructions for use in German.
The sextant has a scale from 0� to 80� by 1�, and a vernier measuring to 1 arcminute.
There is also an issue of ?Navigation: Journal of the Institute of Navigation? containing a report of tests taken with this kind of instrument.
Inscription.
caption: Gyroscopic Sextant - Front
caption: Gyroscopic Sextant - Back
caption: Gyroscopic Sextant - Box
caption: unavailable | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | Sextant sextant gyros | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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