A History of the Navigator's Sextant

A History of the Navigator's Sextant

4.11 - 1251 ratings - Source

This pre-history of the sextant, as we might call it, will emphasize the problems that were to be overcome in leading up to the invention, or rather evolution, of an instrument that has for long been the very symbol of the navigator's art.Referring to figure 6.7, the upper diagram illustrates the geometrical principle of, and the lower diagram illustrates its ... The eye-vane is fitted to the graduated chord AC, and the instrument is used in the same way as the 90Ad-backstaff.

Title:A History of the Navigator's Sextant
Author: Charles H. Cotter
Publisher:Sheridan House Incorporated - 1983

You must register with us as either a Registered User before you can Download this Book. You'll be greeted by a simple sign-up page.

Once you have finished the sign-up process, you will be redirected to your download Book page.

How it works:
  • 1. Register a free 1 month Trial Account.
  • 2. Download as many books as you like (Personal use)
  • 3. Cancel the membership at any time if not satisfied.

Click button below to register and download Ebook
Privacy Policy | Contact | DMCA