Ethel H. Bailey (18 August 1896 – 5 July 1985) was an American mechanical engineer who began her working life in aviation and went on to develop radar and spectroscopic equipment.
[4] Bailey had been interested in radios and motorboats at high school, and during the First World War she became an assistant inspector of Liberty L-12 aeroplane engines for the U.S. government, at a test airfield in Indianapolis.
[5] After the war she studied at the Michigan State Automobile School in Detroit in 1918, and George Washington University in 1920.
[8] In June 1925 she published a paper in The Woman Engineer journal entitled A Ternary Alloy Bearing Metal (The Development of a Material of Unusual Wearing Qualities).
[10] She spoke on 'Automotive Research' undertaken by the SAE, speaking alongside physical chemist Isabel Hadfield and electrical engineer Margaret Partridge.