40mm long piece of H4’s mainspring

Small wood display block covered in buff-coloured wool, with a 40mm long piece of H4’s mainspring attached. This piece had been presented to the Science Museum whose later inventory number is marked under the block (MISC.19.51/3) and who then presented it to the NMM.

Object Details

ID: ZAA0131
Collection: Timekeeping
Type: Main spring
Display location: Not on display
Creator: Harrison, John; Gould, Rupert Thomas
Date made: circa 1760
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 106 x 33 x 24 mm
Parts: 40mm long piece of H4’s mainspring

Your Request

If an item is shown as “offsite”, please allow eight days for your order to be processed. For further information, please contact Archive staff:

Tel: (during Library opening hours)

Click “Continue” below to continue processing your order with the Library team.