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Description: | Bowl: Copper with brass verge ring holding glass. Fill cap at the centre of glass. Two exterior expansion chambers of brass and glass (one missing) connected by tubes to the bowl. Card lifter on exterior wall of bowl. Weighted at the base. White inside with lubber line .
Card: Metal with embossed graduations to half points. Card in bad condition. Diameter 6" (15.1cm)
Needle: Unsighted.
Pivot: Unsighted.
Mounted on ACO stand
O.A. Height 7.75" (19.5cm)
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | Preston Grant liquid compasses | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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