Messy work
Carlton Hobbs, ATA craftsman, is polishing a 4,000 pound weight using bicarbonate of soda as the blasting medium. The weight is part of a force calibration machine that was refurbished at AEDC for installation at the Army Primary Standards Lab at Redstone Arsenal at Huntsville, AL. (Photo by James Winchester)
PHOTO BY:
James Winchester
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071003-O-0000U-002.JPG
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