8104

Apollo Lunar Module Group of (2) 'Barber Pole' Talkback Indicators

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:800.00 - 1,000.00 USD
Apollo Lunar Module Group of (2) 'Barber Pole' Talkback Indicators

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Auction Date:2020 Apr 16 @ 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
Group of two talkback indicators—commonly called 'barber poles' due to their diagonal black-and-white stripes—for the Apollo Lunar Module, each measuring 1.75? x 1? x .5?, sealed in their Grumman packaging with "Read Before Opening" tags. Both bear Honeywell parts tags reading: "Flag Display Indicator, Mfr Part No. JG913A2, Series 5…Part No. LSC350-80404-09, Contract No. NAS 9-1100." They are marked as serial no. "242" and "243." Mounted on the instrument panels, 'barber pole' indicators were used to denote the status of various systems: when covered by a gray flag, the system was operating as normal; in the case of an abnormal or in-progress status, the flag would be actuated to reveal the 'barber pole' as a visual indicator. In overall fine condition.