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Date: |
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Description: | 336
98.5(1/2) Overhead
MARINE IMPERIALE
Dry compass
Card: Mica covered with paper, white with black markings, N point indicated by a five-pointed star, graduated quadrantally in degrees and to 1/2 points. At centre of card is a hole 0.5" (1.3 cm) dia to accommodate pivot cup. Brass balancing weights secured at E & W points.
Needle: A single flat bar needle 5.5" (14.0 cm) long with pointed ends and expanded centre.
Pivot: Cone shaped brass pivot cup with jewel at top secured through centre of needle.
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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