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in subjects: "Science and Technology - Tools"  
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Air-Cooling Apparatus.

Description: Patent for an air cooling apparatus for air to be delivered into a room treated with moisture to reduce the temperature of the air without the use of ice.
Date: March 21, 1916
Creator: Hollenburger, Joseph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Razor-Strop Holder.

Description: Patent for a new, less expensive razor strop holder with a reversible strop, including illustrations.
Date: October 23, 1917
Creator: Childress, Henry T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a wrench used to remove the nuts of a vehicle wheel axle.
Date: July 7, 1908
Creator: Ponton, Henry Ponton
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pliers.

Description: Patent for pliers that has one jaw fitted with ribs and the other with grooves. This allows the pliers to clamp onto and kink a wire in an improved way.
Date: December 19, 1893
Creator: Neuhaus, Frank C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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