Sandberg Serrell Automated Calibration Machine
Front view showing weight pans with various weights for each six gages (weight pans no longer used and are in locked position).
Image Credit: NASA
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https://www.nasa.gov/image-detail/maker0x4cdate2017-9-23ver4lenskan03actlar01e-y-3/
Image CreditNASA
Size4032x3024px