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Subject Internal combustion engines Remove constraint Subject: Internal combustion engines

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    • 1930s – circa

    Portrait of Thomas Midgley, Jr. (1889-1944), an American engineer and chemist who discovered the effectiveness of tetraethyl lead as an antiknock additive for gasoline.

    Thomas Midgley, Jr. was born on May 18, 1889 in…

    • Part of Catalog K: Physical Apparatus for Universities and Colleges
    • 1912-May

    Steam and gas engines.