Sun 900 Scope Motor Tester in gas station service garage in Odell, Illinois on America's Route 66. This historic testing equipment measured engine rpm

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Sun 900 Scope Motor Tester in gas station service garage in Odell, Illinois on America's Route 66. This historic testing equipment measured engine rpm, combustion efficiency and other parameters.

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Size: 5162px × 3456px
Photo credit: © MARK WILLIAMSON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 66, 900, america, american, car, combustion, engine, equipment, garage, gas, gauge, historic, illinois, measurement, mechanic, motor, museum, odell, oscilloscope, route, rpm, service, station, sun, test, tester, testing, usa