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Electric Insact Trap.

Description: Patent for an electric insect trap that highly efficient trap for electrocuting house flies and similar insects, include illustrations.
Date: January 20, 1914
Creator: Craig, Samuel A.
Partner: UNT Libraries Government Documents Department

Railway-Switch

Description: Patent for improvements in railway switches which are especially adapted for use on street railway tracks.
Date: January 20, 1914
Creator: Craig, Samuel A.
Partner: UNT Libraries Government Documents Department
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