David Robert Yarnall, Sr. (June 28, 1878 – September 11, 1967) was an American mechanical engineer, co-founder and president of the Yarnall Waring Company in Philadelphia, and the 65th president of the American Society of Mechanical Engineers in 1946–47.
Born |
28 June 1878
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Died |
11 September 1967 (aged 89)
|
Zodiac | Cancer |
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