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Date: |
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Description: | W. LUDOLPH. BREMERHAVEN
Liquid compass
Bowl: Brown painted brass. Inside of bowl white with two lubber lines painted on side. A heavy balancing weight fitted in bottom. Mounted in gimbal ring 6.8" (17.5 cm)
Card: Diameter 5" (12.7 cm) Mica covered with paper, white with black markings, graduated to 1/4 points. Underside of card is fitted with a black painted brass plate carrying the needles and the pivot cap.
Needle: Two magnets of circular section 3.5" (9.0 cm) long attached to card by a brass plate.
Pivot: Jewelled pivot cup, carried at centre of card, rests on a steel pivot point which is mounted in a brass stem secured to base of bowl.
O.A. Height 3.75" (9.5 cm)
Inscription.
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | liquid compasses | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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