Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Massachusetts Institute of Technology H6

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Massachusetts Institute of Technology H6

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Image title: 
Haystack Microwave Research Facility
Credit line: 
Massachusetts Institute of Technology, Lincoln Library, courtesy AIP Emilio Segrè Visual Archives, Physics Today Collection

Lincoln Laboratory's Haystack Microwave Research Facility in Tyngsbobo, Mass, used for interplanetary radar measurements to carry out a new 'fourth test' of Einstein's theory of general relativity. The large antenna is protected from wind and weather by a spherical radome. At the lower right in the sketch, being hoisted up to 'plug-in' behind the large antenna, is the Planetary Radar box that contains the radar transmitting and receiving equipment. This unit weighs a total of four tons and contains about 6000 pounds of electronics and associated equipment. The Haystack Microwave Research Facility has been developed and operated by the M.I.T. Lincoln Laboratory for the U.S. Air Force. ;

Photo date: 
circa February 1968
Original format: 
1 photographic print (black and white; 10 x 8 inches)