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Date: |
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Description: | PATENT 2
VI
Bowl-Brass painted black. Lead weight in bottom. Set in gimbals. White lubber mark.
Card-Brass with black markings graduated to points and quadrantally in degrees. Three studs for turning card.
Azimuth Circle-Back sight. Hinged slit and peephole with two filters. Front sight with hinged open arch and thread, jet reflector plate and two studs for turning.
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | bearing instruments Matthew Curling Friend | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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