Jet Propulsion Laboratory Edwards Facility, Test Stand D, Edwards Air Force Base, Boron vicinity, Kern County, CA - 21, Antique Print

Drawn from the Library of Congress archive, this print depicts Jet Propulsion Laboratory Edwards Facility, Test Stand D, Edwards Air Force Base, Boron vicinity, Kern County, CA - 21. The Library holds one of the most comprehensive collections of American and international historical prints in the world.

Library of Congress record: 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.

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