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Arc-Lamp Headlight

Description: Patent for an electric arc headlight for trains, cars, or boats which produces a steady light and lasts long enough to allow travel over long distances.
Date: February 2, 1909
Creator: Lacy, Benjamin B.
Partner: UNT Libraries Government Documents Department

Cattle-Guard.

Description: Patent for a cattle guard for railroad tracks, which is activated by the pressure of a cow stepping on its platform and raises bars to block the the cow from crossing the track. It goes back down automatically when the pressure is removed off the platform.
Date: February 2, 1909
Creator: Crouch, Jim L.
Partner: UNT Libraries Government Documents Department
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