SP 447, NBS SPECIAL PUBLICATION: WEIGHTS AND MEASURES STANDARDS OF THE UNITED STATES, A BRIEF HISTORY (MAR 1976)

SP 447, NBS SPECIAL PUBLICATION: WEIGHTS AND MEASURES STANDARDS OF THE UNITED STATES, A BRIEF HISTORY (MAR 1976)., A historical account is given of the standards of weight and measures of the United States from the time of the American Revolution through the year 1976. Current and historical standards of length and mass now in the possession of the National Bureau of Standards are listed and documented.