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Genre Photographs Remove constraint Genre: Photographs Place California--South Pasadena Remove constraint Place: California--South Pasadena

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    • circa 1950

    This is Helipot Corporation's Meridian Avenue location.

    The Helipot Corporation was founded during World War II by Arnold O. Beckman of Beckman Instruments (at that time still National Technical Laboratories) to keep…

    • Undated
    • 1948
    • 1943

    This building at 820 Mission Street was the first built exclusively for National Technical Laboratories in 1940.

    One photograph bears a photographer's stamp for J. Allen Hawkins on the back, but the other images in…

    • 1950-Jul

    Staff and representatives pose outside the Helipot Corporation's Meridian Avenue location.

    The Helipot Corporation was founded during World War II by Arnold O. Beckman of Beckman Instruments (at that time still…

    • 1950
    • 1940
    • 1934 – 1935
    • 1946
    • Undated
    • 1949

    A Pasadena garage was the first home of the National Postal Meter Company, founded by Arnold Beckman in 1934. The company soon became National Technical Laboratories, with a focus on pH meters. In 1935, the company…

    • 1950-May

    This series of photographs depicts the aftermath of a fire that swept through the National Technical Laboratories building in South Pasadena. Most are unattributed, but Hank Hoag is identified as the photographer in one…

    • 1948

    Front entrance of National Technical Laboratories in South Pasadena.

    • 1948

    Snack bar of National Technical Laboratories in South Pasadena.

    • 1948

    View to the west of National Technical Laboratories in South Pasadena.

    • 1948

    Northwest parking lot of National Technical Laboratories in South Pasadena.

    • 1948

    Parking lot on the north side of National Technical Laboratories in South Pasadena.

    • 1948

    Shipping department of National Technical Laboratories in South Pasadena.

    • 1948 (Winter)

    Photographs of the snow-covered National Technical Laboratories on Mission Street in South Pasadena.

    • 1940s

    This building at 820 Mission Street was the first built exclusively for National Technical Laboratories in 1940.

    • circa 1953

    Arnold O. Beckman, Inc. was founded during World War II to handle the development of a secret project: an oxygen meter designed by Linus Pauling for the National Defense Research Committee. Pauling and the NDRC…