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Date: |
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Description: | 243
CAPTAIN CHETWYND'S PATENTS
Liquid compass for use in airships
Bowl: Black painted brass, two filler plugs at side, expansion chamber at base. Inside of bowl painted white. Luninous glass lubber line projecting from fore side of bowl. Mounted in a coiled wire gimbal ring whcih is attached to a brass bracket.
Card: Diameter 5.0" (12.7cm) white painted mica with black markings. Graduated to 360 degrees. White painted float at centre. Luminous glass pointers are mounted on a moveable cross-bar across the diameter of card, adjustable by means of a plunger fitted in centre of verge glass.
Needle: Unsighted
Pivopt; Unsighted
On ACO stand 12.6" x 5.25" (30.5 x 13.4cm) O.A. Height 8.0" (20.3cm)
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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