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Sketching of Sandberg Serrell Automated Balance Calibration Machine

Sketching of Sandberg Serrell Automated Balance Calibration Machine

Here is a 1951 illustration of proposed balance calibration machine as drawn by George Brown (BSME from Caltech 1949), project and design engineer of this system for Sandberg Serrell Consulting Engineers (Sandberg Serrell was in Pasadena, CA).

Image Credit: NASA
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