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Alarm Attachment for Electric Bells.

Description: Patent for "an Alarm Attachment for Electric Bells." "The object in view is the provision of means for facilitating the change of an ordinary door-bell into a continuously-ringing alarm apparatus, while leaving the mechanism free to be changed back into its former operative condition as a door-bell."(Lines 10-15) Including illustrations and instructions.
Date: June 30, 1902
Creator: Blakeney, Henry
Partner: UNT Libraries Government Documents Department

Chopper and Cultivator.

Description: Patent for a chopper and cultivator with a rod with moveable blades attached that allows for the blades to be changed between different types for planting or cultivating.
Date: April 30, 1907
Creator: Odom, Elbert T.
Partner: UNT Libraries Government Documents Department
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