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Description: | H.IVERSEN//OPTIK & NAUTISK//INSTRUMENT-MAKER//TRONDHJEM//No37393
H.IVERSENS KOMPASSFABRIK TRONDHJEM // 375573//APERIODISK NEPTUN KOMPASS
H.S.T.M.I.C. HULL
NEPTUN//REGESTRERT FABRIK-MAERKE TRADEMARK
Bowl-Dia:9.75"(24.8cm) black painted brass, filler plug at side, expansion chamber at base. Inside of bowl painted white with two black wire lubber pointers projecting from side, set 90degs apart. Mounted in a black painted brass gimbal ring 11.25" (28.6cm) dia. attached to binnacle.
Card-Dia: 7" (17.8cm) white painted mica with black markings, graduated to 1/4 points. Attached by a light wire framework to small white painted float at centre.
Needle- Two needles of circular section 3" (7.6cm) long mounted either side of float beneath card.
Binnacle-"Kelvin Type" wood with brass top. Dia:14" (35.6cm). Fitted with sphere brackets (one sphere missing), two wooden doors giving access to fore-and-aft and athwartships corrector magnet racks and bucket containing the vertical corrector magnets. Hood has an oval aperture with lid, a circular glazed aperture with lid and shutters, a round hole at top with brass cover, and two oil lamp brackets (lamps missing).
Inscription. Diameter 248mm.
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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