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H.M.S. 'Victoria' rate of change board
Rate of change board. Wooden board with suspension hole. A paper is pasted to the front surface. On an attached metal plaque: 'RATE OF CHANGE BOARD. FLOATED UP FROM H.M.S. "VICTORIA" 22.6.1893. Presented by MAJOR GENERAL GEORGE ASTON, K.C.B., R.N.’ Rate of Change - a correction which is applied to the reading of a chronometer when a navigator of a ship works out the Greenwich Mean Time of an observation of a heavenly body which he has taken for the purpose of fixing his ship's position.
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Object Details
| ID: | REL0430 |
|---|---|
| Collection: | Relics |
| Type: | Rate of change board |
| Display location: | Display - Voyagers |
| Vessels: | Camperdown (1885); Victoria 1887 (HMS) |
| Date made: | circa 1893 |
| Exhibition: | Voyagers |
| People: | Brigadier-General Sir George Grey Aston KGB |
| Credit: | National Maritime Museum, Greenwich, London. |
| Measurements: | Overall: 7 mm x 210 mm x 402 mm |
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