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Differential Analyzer. NASA on the Commons
Differential Analyzer built under the direction of Harold Mergler in the Instrument Research Section. The technician is preparing a data report. This equipment was located at the Lewis Flight Propulsion Laboratory, LFPL, now John H. Glenn Research Center at Lewis Field, Cleveland Ohio. For more on the breakthroughs in computing technology at Lewis Lab see “Bringing the Future Within Reach: Celebrating 75 Years of the NASA John H. Glenn Research Center” NASA/SP—2016-627, p, 75-76. history.nasa.gov/SP-2016-627.pdf