National Museum of American History
Irwin's Oil Lamp Patent Model
Irwin, John H. · 1876-07-25
John H. Irwin received patent number 35,158 on May 6, 1862, of this design of a coil oil lamp. Irwin’s lamp was designed for coal oils and other similar hydrocarbons (such as kerosene) which volatilized at low temperatures and required an excess of oxygen to support illumination. The excess of oxygen was provided by the lamp’s large draft passage, which was divided into compartments to prevent stiff currents of air from blowing out the flame.
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