MAKE A MEME View Large Image MassStandards 002.jpg Used for ten years and retired in 1995 The comparator was replaced by commercially-made equipment It was designed at NBS by Randall M Schoonover and was constructed by the NBS shops The first comparator designed and ...
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Keywords: MassStandards 002.jpg Used for ten years and retired in 1995 The comparator was replaced by commercially-made equipment It was designed at NBS by Randall M Schoonover and was constructed by the NBS shops The first comparator designed and constructed by NBS was used by the International Bureau of Weights and Measures in Paris National Institute of Standards and Technology National Institute of Standards and Technology PD-USGov-NIST PD-USGov National Bureau of Standards National Institute of Standards and Technology Weights Metrology Kilogram Units of mass Units of measure
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