Ratchet wheel

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Brass ratchet wheel (in plastic bag) removed from slave dial in October 1986.

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ID:	ZAA0536.2
Type:	Ratchet wheel
Display location:	Not on display
Creator:	Shepherd, Charles
Date made:	circa 1852
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Overall: 41 x 41 x 11 mm
Parts:	Sympathetic dial (Sympathetic dial) Seconds hand pipe (Seconds hand pipe) (ZAA0536.1) Ratchet wheel (ZAA0536.2)