Sign up for JPG+ to start using collections now!
Photo license: © All rights reserved
Batteries not required:Long before GPS; Types of early precision and simple instruments navigators used for celestial and solar navigation, plotting and position.(Sextant,Quadrant compass,Sundial Compass,Sundial,Telescope,Sand Glass Timer.
Also by Robert Larrazolo
Please Login or Sign Up
Login or Sign Up
Need contest credits? Get 'em here!
Select a Shoot Out contest credit package below.