Acetylene is a simple hydrocarbon that was discovered in 1826 by the Irish chemist, Edmund Davy, and later named by the French chemist, Marcellin Berthellot. In time it would be widely used for heating and lighting purposes. The brass tag on the top of this acetylene gas generator reads “MADE BY / R. E. DIETZ COMPANY / NEW YORK, U.S.A.” This example probably belonged to William J. Hammer, an early American electrical engineer.
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