NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Circle of reflection
From: Nicol�s de Hilster
Date: 2009 Mar 06, 15:11 +0100
From: Nicol�s de Hilster
Date: 2009 Mar 06, 15:11 +0100
Andres Ruiz wrote: > > I am interested in the use of the Circles of reflection _at sea_. > > Any information would be welcoming > You might want to check the following works: P. Ifland "Taking the stars" contains a whole chapter (pp. 135-139) and many 'loose entries' on circles W.E. May "A History of Marine Navigation" (p. 145) C.H. Cotter "A History of the Navigator�s Sextant" (p. 147) They all credit Johann Tobias Mayer for the reflective circle although they mention varying dates (1752 - 1758). According to May, Mayer made his circle to support his tables for lunar observations which he had made in 1752. Nicol�s --~--~---------~--~----~------------~-------~--~----~ Navigation List archive: www.fer3.com/arc To post, email NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---
