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CM Block II SPS Propellant Quantity and Utilization Display Gauge

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:15,000.00 - 20,000.00 USD
CM Block II SPS Propellant Quantity and Utilization Display Gauge

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Auction Date:2014 Nov 20 @ 18:00 (UTC-5 : 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
Apollo Block II Service Propulsion System (SPS) Propellant Quantity and Utilization display gauge, serial No. 08275PDG8010, measures 4.75 x 6 x 5.75, and is stamped on the reverse, “Display Gage, N. R. Control No. ME 181-0139-011.” Reverse also bears a Simmons Precision Products Inc. stamp, as well as 1968 and 1971 stamp dates. Gauge has a display for remaining oxidizer and fuel, a test switch, a dial to indicate an unbalanced mixture, and three switches along the bottom that control the oxidizer flow, as well as the mode of the PUG. Located on Panel B of the Command Module main control panel, this gauge would measure the remaining fuel and oxidizer quantities and display and control the fuel/oxidizer mixture ratio. In fine condition.