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plane-table rule

NAV1442.4

Object connections:

Collection
Gallery locationNot on display

Object details:

Object ID NAV1442.4
Description Boxwood frame which fits on plane table. Upper surface graduated 6"-0-6" by 10ths on top and bottom bars, 7.5"-0-7.5" by 10ths on side bars, 0-360 by 30' in both directions around frame. Reverse surface graduated 6"-0-6" by 10ths on top and bottom bars. 7.5"-0-7.5" by 10ths on side bars. 0-180, 180-0 by 30' on three sides of the frame.
Date made circa 1780

Place made Unknown
Credit National Maritime Museum, Greenwich, London
Materials metal; boxwood
Measurements Overall: 8 mm x 417 mm x 357 mm
Parts
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