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Improvement in Photographic Backgrounds.

Description: Patent for a new way of "holding and manipulating photographers' backgrounds" (line 19) including illustrations.
Date: June 10, 1879
Creator: Moberly, Louis
Partner: UNT Libraries Government Documents Department

Improvement in Insect-Exterminators.

Description: Patent for an improved insect exterminator design with modifications especially suitable for cotton fields, includes illustrations.
Date: June 10, 1879
Creator: Walker, John Z.
Partner: UNT Libraries Government Documents Department

Improvement in Animal-Traps.

Description: Patent for an improvements in animal traps. It is similar to a hook and proper for mouse and rat.
Date: June 10, 1879
Creator: Milby, Frank Whitson
Partner: UNT Libraries Government Documents Department
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