Winding key

Brass crank winding key made for H3 in 1931 as part of Gould’s restoration. The key is engraved: 'HARRISON No.3 1931'.

Object Details

ID: ZAA0036.4
Type: Winding key
Display location: Display - ROG
Creator: Harrison, John
Date made: 1757
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 60 x 37 x 13 mm
Parts: H3 (Marine timekeeper)