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Description: | Magnet holder, compass corrector.
Consists of a wooden block with a metal mounting plate at base. It has nine holes fore-and-aft and nine holes athwartships fitted with metal cover plates, into which corrector magnets can be inserted. There is provision for seven vertical magnets which can be inserted in a sliding wooden block. One side of the block carries a brass attachment with worm gear that can raise or lower a brass tube which can carry a corrector magnet.
O.A. height 4.75" (12.2 cm)
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | compass magnet carriers | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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