Part history of navigation and part hands-on project book. Includes complete history and instruction for making 18 historic navigation tools including astrolabe, cross staff, pelorus, traverse board and a vernier sextant. Clever, instructive.
Part history of navigation and part hands-on project book. Includes complete history and instruction for making 18 historic navigation tools including astrolabe, cross staff, pelorus, traverse board and a vernier sextant. Clever, instructive.