Synonyms were used for: Prüfung
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    Wohler's experiments on testing

    Wohler | Engineering Index Backfile | 1887
    Keywords: Testing

    Pennsylvania Railroad Company's drop testing machine for cast iron car wheels

    Engineering Index Backfile | 1891
    Keywords: Testing machines

    A new Brinell hardness testing machine

    Engineering Index Backfile | 1919
    Keywords: Testing machines

    A new hardness testing machine

    Engineering Index Backfile | 1920
    Keywords: Testing machines

    Origin and development of the Pennsylvania R. R. testing laboratory

    Fowler, Geo.L. | Engineering Index Backfile | 1923
    Keywords: Tests and testing

    Compressive Strength of Tapered Airplane Struts

    Lewe, Viktor | NTRS | 1923
    Keywords: Aircraft Design, Testing And Performance

    The Light Airplane

    Driggs, Ivan H. | NTRS | 1925
    Keywords: Aircraft Design, Testing And Performance

    The Characteristics of the N.A.C.A 97, Clark Y, and N.A.C.A. M6 Airfoils with Particular Reference to the Angle of Attack

    Higgins, George J. | NTRS | 1927
    Keywords: Aircraft Design, Testing And Performance

    Junkers Airplane "G 24" : All-metal Commercial Airplane

    NTRS | 1927
    Keywords: Aircraft Design, Testing And Performance