Gridiron and glass vial

Black plastic ‘Accurist’ wrist-watch case containing four pieces of the original H1 gridiron, two brass and two steel. The box also contains a small glass phial with brass particles taken from H1 for analysis in the 1960s. These parts were rescued at the Chronometer Section, Herstmonceux, having been thrown away, and were presented to the NMM in the 1980s.

Box: H:30 W;140 D:50

Object Details

ID: ZAA0034.1
Type: Gridiron and glass vial
Display location: Not on display
Creator: Harrison, John
Date made: 1735
Credit: National Maritime Museum, Greenwich, London
Measurements: Box: 28 x 137 x 51 mm
Parts: H1 (Marine timekeeper)

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