John Harrison's second marine timekeeper, H2, in the Royal Observatory Greenwich

P39990

John Harrison's second marine timekeeper, H2, in the Royal Observatory Greenwich Long Caption: A general view of John Harrison's second marine timekeeper, made in 1737-1739, showing its right side and back. The chronometer is mounted on a wooden base that was made in 1924 and is not covered by a glass case. Credit line: © National Maritime Museum, Greenwich, London Object: P39990 Date: early 1900s Medium: Photograph Size: 164 mm x 120 mm Click here to buy a bespoke print of this image.