The U.S. Army treated a President's cold using chlorine gas
the verdict
SUPPORTED
the evidence backs this
confidence 75/100
Historical archives, contemporary news reports, and Library of Congress photographs confirm that in May 1924, the U.S. Army treated President Calvin Coolidge's cold with low levels of chlorine gas in an airtight room.
Evidence for · 3
skeptics.stackexchange.com: Did the U.S. Army treat a President's cold using chlorine gas?
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Confirms historical accounts that the U.S. Army Chemical Warfare Service treated President Calvin Coolidge with chlorine gas.
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loc.gov: Col. M.A. DeLaney, U.S.A., the man who has been treating Pres. Coolidge on May 22nd while the Pres. was in the air-tight room receiving the chlorine gas treatment for his cold. Col. DeLaney is watching the apparatus that denotes the amount of gas being sent into the air-tight chamber
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Library of Congress archival caption documents U.S. Army Colonel M.A. DeLaney treating President Coolidge with chlorine gas.
loc.gov: Harris & Ewing Collection
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Archival photo record confirms U.S. Army treatment of President Coolidge using chlorine gas.