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in creator/contributor: "Lorkowski, B. J."  
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Train-Order Signal.

Description: Patent for a train order signal, which prevents accidental clear signals from the semaphores by requiring the train order pad to be replaced before a signal can be given.
Date: May 18, 1909
Creator: Gates, William T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Striking Mechanism for Clocks

Description: Patent for a striking mechanism for clocks which strikes a bell a number of times to indicate the hour of the day. Illustrations included.
Date: February 18, 1913
Creator: Friedman, Bernhard Z.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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