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Horse-Detacher.

Description: Patent for a device to release horses reins in the case of the horse running away.
Date: November 12, 1907
Creator: McDanill, John Riley
Partner: UNT Libraries Government Documents Department

Train-Order Signal.

Description: Patent for a train order signal device, which sets off an alarm or signal when the train order pad is removed, which cannot be turned off until the pad is replaced.
Date: November 24, 1908
Creator: Van Zandt, Luther H.
Partner: UNT Libraries Government Documents Department
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