9118

Apollo CM Block I AC Over/Under Voltage Assembly

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:500.00 - 700.00 USD
Apollo CM Block I AC Over/Under Voltage Assembly

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Auction Date:2022 Apr 21 @ 18:00 (UTC-05:00 : 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
Apollo Command Module (Block I) AC Over/Under-Voltage Assembly, measuring 17.5 x 4.5 x 7, manufactured by Autonetics. The part label identifies the piece as "Sensor, AC Over/Undervoltage, 45000-501-1…Serial No. 06359-0065BHA, Mfg. Date 3-17-66, Control No. ME431-0062-0003." Several warning labels are also affixed, and the internal wiring is exposed on the bottom. This sensor is comprised of electronics used to sense and alert crew members to anomalous conditions of the alternating current on the electrical buses. The detection of insufficient or excess voltage would trigger an alarm on the Apollo spacecraft's main display console.