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Churn

Description: Patent for a vertical dash butter churn with a frame that allows for removal of the receptacle with dash parts still attached to the frame, including illustrations.
Date: March 25, 1913
Creator: Collins, Edward L.
Partner: UNT Libraries Government Documents Department

Bulkhead.

Description: Patent for bulkhead that is "adapted for use as a sea wall or quay wall" (lines 10-11).
Date: March 25, 1919
Creator: Sands, Edward E.
Partner: UNT Libraries Government Documents Department

Aeroplane.

Description: Patent for an improved rotary airplane engine patterned after the Gnome type with extra blades attached to the engine cylinders.
Date: March 25, 1913
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Antifriction Device For Sucker Rods Or The Like

Description: Patent for an antifriction-roller (part of a pumping mechanism) with a mounting that can be manufactured at a low cost, "quickly and readily applied to a rod at any point....and prevent it from bending...and, furthermore, interpose a minimum obstruction to the flow of the liquid in the casing" (lines 17-25)
Date: March 25, 1902
Creator: Black, William L.
Partner: UNT Libraries Government Documents Department

Anal Speculum.

Description: Patent for a new and improved anal speculum. This design is "to so construct the several parts that there will be no rough or raised edges to interfere with its insertion in the anal passage; secondly, to so construct [the] improved speculum that it may be readily used as a bi-valve or dilator; thirdly, to form a locking-joint on the meeting edges of the shells forming the speculum, whereby the sections are prevented from overlapping each other to avoid pinching or injury to the walls of the an… more
Date: March 25, 1890
Creator: Shuford, Quincy Adams
Partner: UNT Libraries Government Documents Department
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