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Improvement in Soldering-Irons

Description: Patent for a new and improved soldering iron, which only gives off so much heat from one end and not the other. This patent of the soldering iron a safer tool to work with.
Date: March 21, 1877
Creator: Stevens, Hennell
Partner: UNT Libraries Government Documents Department

Improvement in Bee-Hives.

Description: Patent for a bee-hive that prevents insects (such as moths) from entering therein and maximizes the amount of honey collected from the hive, including a detailed explanation and description of the illustration.
Date: March 5, 1878
Creator: Park, Jesse W.
Partner: UNT Libraries Government Documents Department

Means for Reducing Wear in the Working Barrels of Pumps

Description: Patent for a means of reducing wear in the working barrels of pumps. The pumps made in this wat are specially adapted for operations in water or oil wells where the fluid being pumped is is mixed with sand and sediment.
Date: March 4, 1919
Creator: Carmichael, Robert E.
Partner: UNT Libraries Government Documents Department

Rotary Boring Drill

Description: Patent for a rotary boring drill to be used in mining and drilling.
Date: March 4, 1919
Creator: Carmichael, R. E.
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for a water pump. Illustration included.
Date: March 22, 1904
Creator: Park, Henry Jackson & Darrough, Rufus Clark
Partner: UNT Libraries Government Documents Department

Automatic-Cut-Off

Description: Patent for an automatic cut-off part for a steam inlet pipe.
Date: March 1, 1921
Creator: La Bauve, William H.
Partner: UNT Libraries Government Documents Department
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