6267

Display and Keyboard Assembly (DSKY) Screen

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:5,000.00 - 7,000.00 USD
Display and Keyboard Assembly (DSKY) Screen

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Auction Date:2018 Apr 19 @ 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
Rare electroluminescent display screen from an Apollo Display and Keyboard Assembly (DSKY), measuring 3.25 x 4.5 x 1, marked on the reverse: "Indicator, Digital, Electroluminescent, Sylvania SD195A, N.A.S.A., Part No. 1006315, Ser. No. 6A090." The front of the screen has black text identifying the computer activity status light ("Comp Acty"), program number display ("Prog"), verb code display ("Verb"), and noun code display ("Noun"). In fine condition.

The DSKY was the main interface between an astronaut and the Apollo Guidance Computer (AGC), which controlled the Apollo spacecraft. Each AGC program had a two-digit code displayed on the screen, and commands were entered via a numerical keypad as two-digit numbers in a verb-noun sequence. It was the DSKY that provided the astronauts with critical burn times for engine firings, course corrections, trajectories, and other key calculations vital in getting a crew to and from the moon. The DSKY also reported the program alarm moments before the LM touched down on the lunar surface on the first lunar landing. DSKY units are among the most recognizable and historically significant of all Apollo spacecraft parts—this screen, designed to to provide mission-critical information at a moment's notice, is a superb piece of spaceflight history.