Product images of Octant, circa 1761
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We only use premium branded inks, and colours are independently verified to last between 100 and 200 years.
Octant, circa 1761
This octant was engraved to commemorate the voyage of the Deptford to test Harrison's fourth timekeeper, 1761-1762. This instrument was adapted to commemorate the voyage of HMS 'Deptford' in 1761-62, in which John Harrison's son William took part to test Harrison's fourth timekeeper H4 of 1759.
- Image reference: F7030-001
- National Maritime Museum, Greenwich, London