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Display: 20

    • Aeronautic instrument exhibit at A.P.S., May 1919

    • Aeronautic instrument exhibit at A.P.S., May 1919
    • History; Photographs; Metrology; Instruments; Aeronautical instruments; 1910s
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Aeronautic instrument that measures R.P.M. (unidentified)

    • Aeronautic instrument that measures R.P.M. (unidentified)
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Aeronautic instrument (unidentified)

    • Aeronautic instrument (unidentified)
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Aeronautic instrument (unidentified)

    • Aeronautic instrument (unidentified)
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Four types of containers for aneroid testing

    • Four types of containers for aneroid testing
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Aeronautic instrument that measures R.P.M. (unidentified)

    • Aeronautic instrument that measures R.P.M. (unidentified)
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Aeronautic instrument (unidentified)

    • Aeronautic instrument (unidentified)
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Aeronautic instrument that measures R.P.M. (unidentified)

    • Aeronautic instrument that measures R.P.M. (unidentified)
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Aeronautic instrument that measures R.P.M. (unidentified)

    • Aeronautic instrument that measures R.P.M. (unidentified)
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Air speed meter

    • Air speed meter
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Aeronautic instrument that measures air speed (unidentified)

    • Aeronautic instrument that measures air speed (unidentified)
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Aeronautical instrument to measure altitude (unidentified)

    • Aeronautical instrument to measure altitude (unidentified)
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Temperature chamber with motor-driven container

    • Temperature chamber with motor-driven container
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Manometers used in testing air speed meters

    • Manometers used in testing air speed meters
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Oxygen apparatus for aviators

    • Oxygen apparatus for aviators
    • History; Photographs; Metrology; Instruments; Aeronautical instruments
    • This image is part of the Aeronautic Instruments collection. The Aeronautic Instruments collection depicts the instruments developed by the aeronautic instruments program at the National Bureau of Standards (NBS). Included are photographs of...
    • Historic Images
    • Cutaway view of a 1953 automotive lead-acid battery

    • Cutaway view of a 1953 automotive lead-acid battery
    • History; Photographs; Metrology; Storage batteries; Additives; 1950s
    • This image is part of the AD-X2 Controversy collection. The National Bureau of Standards (NBS) conducted battery research as early as 1917 as part of the war effort. NBS evaluated hundreds of battery additives that claimed to revive dead batteries....
    • Historic Images

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