3265

Apollo 12 Flown Command Module Pressure Equalization Valve Decal

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:15,000.00 - 20,000.00 USD
Apollo 12 Flown Command Module Pressure Equalization Valve Decal

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Auction Date:2021 Oct 21 @ 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
Flown "Pressure Equalization Valve" decal from the hatch of the Apollo 12 Command Module 'Yankee Clipper,' measuring 5.25è x 6.25è, which was applied over the capsule‰Ûªs exterior Kapton foil covering. It exhibits burn patterns and bubbling from the spacecraft's fiery descent through the atmosphere during its return to Earth. The decal identifies the location of the hatch's pressure equalization valve, which was used to equalize pressure between the cabin and outside, and could entirely vent cabin pressure in less than a minute. Inside the cabin, a handle would be raised and rotated to open the valve; externally, a tool could be inserted and rotated clockwise‰ÛÓas indicated on the decal‰ÛÓto rotate the same shaft and open the valve. The decal has inclusions (cutouts) to accommodate prelaunch placement of four radio-luminecent (radioactive) discs which provided an illuminated target for Tool B insertion by a crewmember during EVA. Handsomely matted and framed with an official NASA image (S69-22800) of the Apollo 12 recovery‰ÛÓin which this decal is clearly seen on the CM's open hatch‰ÛÓas well as a mission patch and caption to an overall size of 20 x 24. The caption reads: "This main hatch pressure equalization valve decal was removed from Apollo 12 Command Module 'Yankee Clipper' following its historic 10 day, 825,000 mile journey to the Moon." Consignor attests to decal having been removed from Yankee Clipper during the spacecraft's post-flight inspection at North American Rockwell, Downey, California, following the capsule's release from JSC quarantine on January 12, 1970.