8119

Apollo LM/CM Group of (3) Hermetic Rotary Switches

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:800.00 - 1,000.00 USD
Apollo LM/CM Group of (3) Hermetic Rotary Switches

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Auction Date:2019 May 29 @ 18:00 (UTC-5 : EST/CDT)
Location:15th Floor WeWork, Boston, Massachusetts, 02108, 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
Group of three Apollo LM/CM hermetic rotary switches, measuring approximately 5? long and 1.75? in diameter, manufactured by Daven. All bear black tags on the side, associating them with contracts "NAS9-150" [Command Module], "NAS8-22727," and "NAS9-9224," with manufacture dates of 1967, 1968, and 1970. These are high-reliability versions of usual electronic rotary switches, with a hermetic design (the filling/purging tubes can be seen on the connector ends) to prevent sparks from igniting anything within the spacecraft. These switches were highly sought-after by scrappers, and each may yield about half an ounce of gold alloy. In overall fine condition.