Automatic Oil Drip

Automatic oil drip in ditch in Crossett (Ashley County); July 6, 1916. Oil on the water’s surface destroys the larvae of the anopheles mosquito that transmits malaria.

Oil can on sawhorse above ditch dug in the ground

Courtesy of the Rockefeller Archive Center

Media

Time Period

Early Twentieth Century (1901 - 1940)

Type

Place

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