Sextants
Astro-compass

 

Code Number: 8A05.70

Demo Title: Celestial Navigation Instruments - Sextants - Astro-compass

Condition: Excellent

Principle: History of Astronomy

Area of Study: Astronomy

Equipment: 

Sextants - large and small, Astro-compass.

Procedure:

While the sextants are in working order, they are mainly for show and tell when talking about Longitude and Latitude.

References:

  • Philip M. Sadler, Christopher Night, "Daytime Celestial Navigation for the Novice", TPT, Vol. 48, # 3, March 2010, p. 197.
  • Garet G. Nenninger, "Easily Constructed Mini-Sextant Demonstrates Optical Principles", TPT, Vol. 38, # 4, April 2000, p. 238.
  • Thomas B. Greenslade, Jr., "Sextant (Photo)", AJP, Vol. 72, # 11, Nov. 2004, p. 1407.
  • L. M. Celnikier, "Weighing the Earth with a Sextant", AJP, Vol. 51, #11, Nov. 1983, p. 1018.
  • Janice VanCleave, "Explorers", Geography for Every Kid, p. 21.
  • "A Simple Sextant", The Boy Scientist, p. 39.
  • "Sextant", Science and Invention Encyclopedia, p. 2367 - 2368.
  • Gerard L'E. Turner, Surveying and Navigation, Nineteenth-Century Scientific Instruments, p. 262 - 267.
  • "Sextant", Pike's Illustrated Catalogue of Scientific & Medical Instruments, 1984, p. 69.
  • Sophie Bushwick, "Make a Sextant from Junk", Popular Science, Jan. 2017, p. 84.
Topozone