Hadley's octant. This artwork is from a 1738 edition of the work 'A description of a new instrument for taking the latitude or other altitude at sea' (1734) by the English mathematician and inventor John Hadley (1682-1744). Hadley invented the octant in the 1730s,an instrument used in navigation that was a precursor to the sextant | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Royal Astronomical Society |
Bildgröße: | 4456 px × 3653 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |