Historic Print, Jet Propulsion Laboratory Edwards Facility, Test Stand D, Edwards Air Force Base, Boron vicinity, Kern County, CA - 21, 18" x 24"

Historic Print, Jet Propulsion Laboratory Edwards Facility, Test Stand D, Edwards Air Force Base, Boron vicinity, Kern County, CA - 21, Image: 18" x 24"

Beautiful historic reproduction print from the Library of Congress collections.

21. Credit BG. Looking southeast at Test Stand 'D' (Building 4223/E-24). Left foreground contains six high-pressure nitrogen tanks which supplied nitrogen for operation of propellant valves. Several tanks for other substances have been removed from the base of the tower as part of decontamination and dismantling program. The vertical vacuum test cell can be seen in the tower behind the western sunscreen. At the top of the tower in the northeast corner is the interstage condenser used in the series of vacuum ejectors; at the top of the condenser is one of two Z-stage ejectors used to evacuate the condenser. The hoist beam for lifting/lowering rocket engines can be clearly seen projecting to the west over the pavement. In the distance on the right ...

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