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Date: |
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Description: | Make & Date unknown Presented by:- H.Hughes & Son , Ltd. 59 Fenchurch St. May 1923
Dry compass
Card: Mica covered with paper, white with black markings, graduated to half points and quadrantally in degrees with a decorated East point. Card has a 1.5" hole at the centre to accommodate the pivot arrangement.
Needle: Two 5.75" (14.6 cm) edge bar needles, attached to the card by light brass struts.
Pivot: The central aperture in the card carries a brass ring in which a bell-shaped weight, which carries the jewel cap at its apex, is supported in substantial brass double gimbals.
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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Dry compass
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