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Acetylene-Gas Generator

Description: Patent for an improved automatic acetylene-gas generator which allows the carbid vessel to recharge with carbid without permitting the escape of gas, and also to simplify the construction of the generator.
Date: March 19, 1901
Creator: Elkins, George L.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for an acetylene gas generator, which claims to improve upon this device by simplifying the "means for feeding carbid to the water," (line 14) hence making it "more efficient and durable in use and less expensive to manufacture." (lines 19-21)
Date: April 3, 1906
Creator: Dulaney, John B.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for an acetylene-gas generator that provides an apparatus in which the parts may be readily detached for convenience in making repairs.
Date: June 5, 1908
Creator: Carl, Reinhold A.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. Illustration included.
Date: December 13, 1898
Creator: Lewis, Thomas, E.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator

Description: Patent for acetylene gas generator. Illustration included.
Date: June 14, 1904
Creator: Gribble, William A.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. Illustrations included.
Date: August 29, 1904
Creator: Wallace, William A.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. Illustration included.
Date: August 19, 1904
Creator: Dickey, John Splann
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator

Description: Patent for an acetylene gas generator. Illustration included.
Date: November 22, 1904
Creator: Pruitt, George Holditch & Pruitt, Conrad D.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator

Description: Patent for acetylene gas generator. Illustration included.
Date: November 21, 1905
Creator: Hays, Parx Orr
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Lamp.

Description: Patent for certain new and useful improvements in acetylene gas lamps, including instructions and illustrations.
Date: February 20, 1900
Creator: Josserand, Peter
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Lamp.

Description: Patent for a new and improved acetylene gas lamp, including instructions and illustrations.
Date: October 10, 1899
Creator: Josserand, Peter
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Machine

Description: Patent for a new and useful improvement in gas-machines.
Date: December 14, 1897
Creator: Bryant, Henry
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Machine

Description: Patent for an acetylene gas machine designed to " automatically feed different grades of carbid successfully in variable quantities according to the amount required" (lines 9-11).
Date: August 14, 1906
Creator: Wallace, William A.; Bosley, Lee Wooden & Bosley, Daniel O.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Torch

Description: Patent for a acetylene gas torch. Illustration included.
Date: October 1, 1903
Creator: Marsh, William H.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Generator

Description: Patent for an acetylene generator. Illustration included.
Date: March 27, 1905
Creator: Sinclair, William
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Adding-Machine.

Description: Patent for an adding-machine meant to "add fixed amounts of money received or to calculate the number of days a laborer has worked or the number of fractions of days" (lines 14-17). Mounted keys have mechanisms that rotate a ratchet wheel or disk. "Secured to the shaft upon which this ratchet wheel or disk is mounted is a rate-indicator, consisting of a disk divided off into radial sections, and also divided by lines running parallel to the circumference of said disk, dividing the same up into sections, which indicate money advanced on pay-roll, addition column, total amount at a fixed rate, and the number of days worked by any workman" (lines 25-34).
Date: August 27, 1895
Creator: McElyea, James L.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Adding-Machine

Description: Patent for "an adding-machine which, while being constructed of but comparatively few parts, will be so adjusted as arranged as to allow an operator to make rapid and correct calculations; furthermore, to produce an adding-machine in which the operator will be enabled to detect immediately any mistake which he may have made, and, finally, to produce a simple, efficient, and effective adding-machine" (lines 13-22).
Date: June 25, 1889
Creator: Stinson, James C.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Adding-Machine.

Description: Patent for a new and improvement in adding-machines in which a mechanical wheel has teeth. " The object of the invention is to provide the means for adding columns of figures by machinery"(lines 13-15), with instruction and illustration
Date: February 12, 1884
Creator: Barmore, Albert King
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Adding-Machine.

Description: Patent for an inexpensive, simple, easily operated, and improved registering machine that is meant to add numbers without mistakes. It uses revoluble number wheels and a spring-returned shaft among other materials.
Date: March 21, 1893
Creator: Brooks, Augustus J.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Adding-Machine

Description: Patent for "a simple, cheap, and efficient device of this character which may accomplish with facility and case all the purposes for which it is intended" (lines 13-16).
Date: June 7, 1892
Creator: Wright, Joseph W.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Adding Machine.

Description: Patent for a new and improved adding machine. This design "consists in the combination, with a box, of a spindle in the same, a sleeve surrounding the spindle, a hand on the spindle, a hand on the sleeve, devices for turning the spindle from the sleeve, a cog-wheel revolving from the spindle, and an extra hand in connection with the cog-wheel" (lines 10-16).
Date: September 22, 1885
Creator: McCaleb, John L.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Adding-Machine.

Description: Patent for am adding machine by using two disks, one a units-disk with pins in multiples of ten, one a tens-disk, is an annular disk with pin surrounding the units disk, an outwardly spring-pressed holder having a beveled outer end frictionally engaging the pins of the tens-disk and a carrier having oppositely-beveled ends engaged a supplemental pin and one pin on the tens-disks, teeth in the adjacent faces of the holder and carrier, and an idle-gear between them to enable the adding operation. (Lines 50-62) Illustration is included.
Date: May 12, 1891
Creator: Wright, Joseph W.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Addressing-Machine.

Description: Patent for an improved addressing machine, which will "paste, cut, and attach the slip simultaneously, or with one operation" (lines 26-27), with instructions and illustrations.
Date: December 27, 1887
Creator: Eberhardt, Theophilus Charles
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Adjustable Arch for Cultivators

Description: Patent for an adjustable arch for cultivators.
Date: January 15, 1903
Creator: Porter, Harrison B.
Item Type: Patent
Partner: UNT Libraries Government Documents Department