6446

Skylab Sextant

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:20,000.00 - 30,000.00 USD
Skylab Sextant

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Auction Date:2016 Oct 20 @ 18:00 (UTC-05:00 : EST/CDT)
Location:236 Commercial St., Suite 100, Boston, Massachusetts, 02109, United States
ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed
Space sextant designated for use by the astronauts during the T002 Manual Navigation experiment on the second and third Skylab missions, measuring approximately 9 x 7 x 6, with a NASA parts tag on one side, reading: “Handheld Space Sextant, GFAE No. EG25100-2, Serial No. 1A, Mfr. No. B4158000003, Contr. No. NAS2-2706.” Includes a lens and metal carrying case. In fine condition. The sextant was designed to measure the angle between the lines of sight to two known stars, a star and a lunar limb or landmark, or two opposite lunar limbs. In the Skylab T002 experiment this capability was leveraged to investigate the feasibility of a manual navigation system for use in back-up applications and to investigate the capability of the crew to make the necessary celestial observations accurately and with precision under conditions of long term space travel. A superb piece of space-age manual navigation hardware.