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Combination Well-Packer and Setting-Tool.

Description: Patent for a well packer and setting tool for the prevention of intermingling between oil and water in a well when used by itself or with other pipes. The invention allows for the packer to be set using the setting tool which can then be removed once the packer is in place.
Date: January 6, 1920
Creator: Abercrombie, Jamie & Dunman, Nesbit M.

Jack

Description: Patent for a new Jack's that can use in motor cars and other vehicles, It is folded into a compact condition, for storage, within the tool chest of the machine, including illustrations.
Date: January 11, 1916
Creator: Abernathy, George J.

Stalk - Cutter.

Description: Patent for a new and useful improvements in stalk-cutters to "provide a simple, light, and durable machine by means of which three rows of stalks may be cut in one passage of the machine across the field" (line 13-16).
Date: January 11, 1898
Creator: Acre, William Floyd & Wafford, William Penn

Railway Signaling Mechanism

Description: Patent for a railway signaling mechanism. This invention "relates to certain new and useful improvements in electric railway and block signaling in which means are provided for indicating in the engine cab to the engineer the condition of the road ahead" (lines 9-13). Illustrations included.
Date: January 15, 1907
Creator: Adams, Edwin Johnson

Boring-Tool.

Description: Patent for "a boring tool for boring scarred and worn engine cylinders" (lines 14-15) that allows for more customization when cutting.
Date: January 4, 1921
Creator: Adams, George Reese.

Rotary-Engine.

Description: Patent for a new and improved rotary engine. This design consists "of a wheel provided with radially-sliding pistons and revolving within a fixed circumferential steam-chest, and having fixed on its axle an eccentric and spring, that operate to throw the pistons or floats outward to receive the pressure of the steam or other motor that is to drive the engine" (lines 19-26).
Date: January 20, 1880
Creator: Adams, James Ansley

Rail-Joint.

Description: Patent for improvements to the joints for railway rails to prevent "bumping of the wheels against the ends of rails and the cross ties adjacent to the joints" (lines 16-18) including illustrations.
Date: January 21, 1908
Creator: Adams, Powell O.
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