Thumbnail catch

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Thumbnail catch.

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ID:	ZAA0037.8
Type:	Thumbnail catch
Display location:	Not on display
Creator:	Unknown
Date made:	Unknown
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Overall: 18 mm x 16 mm x 15 mm
Parts:	H4 (Marine timekeeper) Carrying case for H4 and K1 (ZAA0037.1) Three fragments of mainspring removed from H4 (Mainspring) (ZAA0037.2) Pins (ZAA0037.3) Winding key (ZAA0037.4) Movement (ZAA0037.5) Pair case, dial and hands for H4 (ZAA0037.6) Historic label from H4 (ZAA0037.7) Thumbnail catch (ZAA0037.8)