Lodestone
Lodestones were often mounted in frames of brass, bronze or silver, and sometimes had an iron or steel keeper (a bar to help preserve their magnetic power). This lodestone has a brass frame with a carrying loop on top, and is 'armed' with two pieces of steel at the bottom, which help to increase the magnetic strength of the lodestone.
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Object Details
ID: | NAV0713 |
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Collection: | Astronomical and navigational instruments |
Type: | Lodestone |
Display location: | Display - ROG |
Creator: | Unknown |
Date made: | circa 1600 |
Exhibition: | Time and Longitude |
Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
Measurements: | Overall: 80 mm x 47 mm x 37 mm |
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