Wind Tunnel Compressor Room, 1950 [photograph].

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Wind Tunnel Compressor Room, 1950 [photograph].

http://www.worldcat.org/oclc/733106408

Compressor Room, 20? Wind Tunnel, 13 April 1950. [Description from photo index.]. This 1950 photo shows the three large compressors used by the 20-inch Supersonic Wind Tunnel in building 79. According to a floor plan of the mezzanine level, each one included (from left to right) a 4,000 HP Westinghouse motor, a drive, and a 55,000 cubic foot Ingersoll-Rand compressor. Air was forced through a series of large pipes through and above the building. A flexible nozzle near the test section controlled the speed of air flowing over scale models of aircraft, engines, missiles, and projectiles, from Mach 1 to Mach 4.8. A 1949 memo from Wind Tunnel Section Chief Frank E. Goddard, Jr. to JPL Director Louis G. Dunn described wind tunnel activities and facilities. At that time, the 20-inch Wind Tunnel was under construction, and it went into full operation in 1951. Building 79 is still standing today, but the wind tunnel equipment is gone and the area is now divided into several different laboratories used for low temperature microgravity testing.2.

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Jet Propulsion Laboratory Library and Archives

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SNAC Resource ID: 8108344

Jet Propulsion Laboratory Library and Archives

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Jet Propulsion Laboratory (U.S.). Photolab.

http://n2t.net/ark:/99166/w6g26rt0 (corporateBody)

One of the first people hired at GALCIT Project #1 in November 1941 was photographer George Emmerson (1913-1994), an emigrant from Newcastle, Great Britain. Audrey Voice and Mary J. Taylor as photographer's assistants joined Emmerson in 1943. Emmerson took almost all the early photos that became a part of this collection, a collection described in brief as the work product of the JPL Photolab. As JPL grew, so did the assignments to the Photolab to photograph all Laborato...