‘sextant’ historical pictures (exact matches)

Alcock and Brown
Alcock and Brown
Octant
Octant
Navigation
Navigation
Clocks: diagrams for setting the dial of a sextant (?
Clocks: diagrams for setting the dial of a sextant (?
Navigation
Navigation
Sextant
Sextant
Navigation: an astrolabe, a cross-staff, and a back-staff or Davis's sextant
Navigation: an astrolabe, a cross-staff, and a back-staff or Davis's sextant
Portrait of Johannes Olfersz. Shots.
Portrait of Johannes Olfersz. Shots.