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Date: |
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Description: | 99 Marseille
EMMANUEL MALACRIDA OPT. MARSEILLE
French Compass Card / with Course indicator / 10.11.16.GH
Dry compass.
Card: Mica covered with paper, white with black markings, graduated to 1/4 points and quadrantally in degrees. N point indicated by a five-pointed star. Fitted with a course indicating pointer 8.6" (22.0 cm) long which can be clamped in any required position by means of a boss which carries the jewel cup.
Needle: Two edge bar needles 9.8" (25.0 cm) long with round ends are attached to the card by means of a light brass framework.
Pivot: Cone shaped brass pivot cup with red jewel at the top secured at the centre of centre strut of framework which secures the needles to the card.
Inscription.
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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