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Well-Boring Apparatus

Description: Patent for "new and useful improvements in well boring apparatus. The object of the invention is to provide an apparatus of the character described embodying a rotary table and a novel means for connecting the same to the string of pipe, which extends down into the well and which is rotated by said table and in turn rotates the boring tool carried by the lower end of said spring of pipe" (lines 9-18) including instructions and illustrations.
Date: October 19, 1920
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Loose-Leaf Binder.

Description: Patent for a loose-leaf binder for records that does not require removing previously inserted pages to add new ones and secures them in place with a screw lock on the paper holding rings. When the book is full, the whole binder may be locked in place as a form of permanent binding and may only be opened with a key.
Date: March 19, 1907
Creator: Parry, Rees F.
Partner: UNT Libraries Government Documents Department

Manual-Training Apparatus.

Description: Patent for a new improvement in a manual training apparatus for teaching swimming without water. The device allows the exerciser to lie face down on the provided mat and turn cranks to simulate swimming motions.
Date: March 21, 1916
Creator: Hartnett, William J.
Partner: UNT Libraries Government Documents Department

Still for Distillation of Petroleum

Description: Patent for improvements in still design for distillation of petroleum or its products, providing relief for any suddenly formed vapors and preventing the oil from boiling over.
Date: July 24, 1917
Creator: Gallsworthy, Benjamin
Partner: UNT Libraries Government Documents Department

Tie-Plate.

Description: Patent for imrpoved tie plates that will prevent the rails from wearing down the ties.
Date: April 25, 1916
Creator: Barnes, Ned E.
Partner: UNT Libraries Government Documents Department

Check-Book.

Description: Patent for improvements to check-books for easier access to the check stubs.
Date: April 10, 1917
Creator: Schwander, Peter W.
Partner: UNT Libraries Government Documents Department

Attachment for Internal-Combustion Engines.

Description: Patent for an invention relating to the attachment for internal combustion engines that will provide moisture through the form of liquid or vapors. Other objectives and illustrations of invention are included.
Date: August 14, 1917
Creator: Potts, Hugh
Partner: UNT Libraries Government Documents Department

Combination Pool and Billiard Table.

Description: Patent for a combination pool and billiard table. The table has plugs for the pockets, which can be used to convert the table from a pool to a billiard table. There is also a circular removable covering, which converts the table from a game table to an ordinary household table.
Date: July 23, 1918
Creator: Lee, Hoard
Partner: UNT Libraries Government Documents Department

Air Brush

Description: Patent for new and useful air brushes that are "intended for spraying paints, or colors, where it is desired to frequently change the color employed or to spray a combination of colors at the same time" (lines 16-20). Illustrations are included.
Date: May 30, 1916
Creator: Philibert, Joseph E.
Partner: UNT Libraries Government Documents Department
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