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Safety-Lamp.

Description: Patent for a safety lamp that prevents the explosion of combustible gases by adding a perforated dome and air chamber. The expansion spaces cut off the air supply and extinguish the lamp.
Date: June 5, 1917
Creator: Kincade, Elmer C.
Partner: UNT Libraries Government Documents Department

Ignition-Tube Heater

Description: Patent for "fire prevention, or explosions, by gas or oil surrounding the heater of the ignition-tube of a gas engine." (lines 11-14) including illustrations.
Date: August 10, 1915
Creator: Kincade, Elmer C.
Partner: UNT Libraries Government Documents Department
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