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Wrench.

Description: Patent for a chain wrench "in which both of the jaws are similar and interchangeable and provided with additional sets of teeth whereby the life of the jaws is increased" (lines 12-16) including instructions and illustrations.
Date: August 18, 1914
Creator: Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Pipe Wrench.

Description: Patent for a double acting pipe wrench with detachable jaws which can be easily removed and replaced, and which will allow a section of pipe to be turned in either direction. The patent includes instructions and illustrations.
Date: August 18, 1914
Creator: Hall, Samuel N.
Partner: UNT Libraries Government Documents Department

Soap-Making Apparatus.

Description: Patent for improvements in soap-making apparatus by using the “same frames to mix the ingredients and in cooling the prepared mass, thus obviating the necessity of the removal of the mixed mass from the mixing-frame to a cooling-frame.” (Lines 11-15) Illustration
Date: August 18, 1891
Creator: Grant, William A.
Partner: UNT Libraries Government Documents Department

Bit Brace.

Description: Patent for a bit-brace with a crank arm which can be secured to the bit chuck and which has an adjustable hand, so the chuck may be rotated while the brace remains stationary.
Date: August 18, 1914
Creator: Hall, Samuel N.
Partner: UNT Libraries Government Documents Department
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