Event

Finding tetraethyl lead’s anti-knock effect, 1921

General Motors’ research men in Dayton found that tetraethyl lead stopped engine knock.

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Dates
9 Dec 1921

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  1. 9 Dec 1921 Finding tetraethyl lead’s anti-knock effect, 1921
Proof 1 source
  1. The Secret History of Lead (Jamie Lincoln Kitman, The Nation, March 2000), The Nation, 20 Mar 2000. Scholarship & press
    On December 9, 1921, a young engineer named Thomas Midgley Jr. , working in the laboratory of the General Motors Research Corporation in Dayton, Ohio, reported to his boss, Charles Kettering , that he’d discovered that tetraethyl lead
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