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Account-Book.

Description: Patent for improvement in account-books by “dispensing a multiplicity of books in keeping accounts and to devise means for combining in one book and upon a single page thereof the features of the ledger, day-book, bill-book and bills-receivable book, said page to be so provided with perforation as to admit of the detachment of certain parts, leaving intake theat part of the page that is intended for permanent record.” (Lines 13-22) Illustration is included.
Date: May 26, 1891
Creator: Huck, Henry J., Jr.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas-Generating Lamp.

Description: Patent for a new and useful acetylene gas lamp, including instructions and illustrations.
Date: December 5, 1899
Creator: Eldridge, Hilliary
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene - Gas Generator

Description: Patent for certain new and useful improvements in gas generating apparatus, including instructions and illustrations.
Date: July 5, 1898
Creator: Lewis, Thomas E.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for a new and useful acetylene gas generator, including instructions and illustrations.
Date: May 30, 1899
Creator: Camp, Charles M.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for a new and useful acetylene gas generator, including instructions and illustrations.
Date: July 18, 1899
Creator: Eldridge, Hilliary & Blum, Sylvain
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator.

Description: Patent for a new and useful improvements in apparatus for generating acetylene gas. This design is to "provide with few applicances a simple and compact apparatus requiring little attention for generating acetylene gas for light, heat, and power purposes" (line 11 - 14).
Date: February 15, 1898
Creator: Dederick, Zadoc P.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for certain new and useful improvements in acetylene gas generators, including instructions and illustrations.
Date: July 25, 1899
Creator: Bateman, Talbot O.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for certain new and useful improvements in acetylene gas machines, including instructions and illustrations.
Date: August 1, 1899
Creator: Henderson, Thomas & Stapp, William A.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator.

Description: Patent for a new and improved acetylene gas generating machine, including instructions and illustrations.
Date: September 12, 1899
Creator: Miller, Frank A.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for a new and useful improvement in acetylene gas generating and storing apparatus to "provide a simple, compact, and economical means for automatically said gas" (line 10 - 13).
Date: September 19, 1899
Creator: Bryant, Henry
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for a new and improved acetylene gas generator, including instructions and illustrations.
Date: December 26, 1899
Creator: Walters, Loren B.; Davis, Will H. & Hawkins, Augustus L.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for a new and improved gas generator, including instructions and illustrations.
Date: December 5, 1899
Creator: Schaefer, Henry P.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator

Description: Patent for "a new and useful acetylene-gas generator" (lines 5-6), including illustrations and instructions.
Date: April 26, 1898
Creator: Williams, B. F.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator

Description: Patent for improving acetylene gas generator designs with the use of an added specification in the form of a new apparatus. Illustrations and instructions are included.
Date: September 7, 1897
Creator: Taylor, George
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 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

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 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 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

Adjustable Cultivator-Tooth Seat.

Description: Patent for certain new and useful improvements in adjustable cultivator tooth seats, including instructions and illustrations.
Date: June 7, 1898
Creator: Shofield, James Drummond
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Adjustable Fire Guard and Screen.

Description: Patent for a new and improved fireplace screen. This design "is to provide a simple and efficient device which may be suspended in front of open fireplaces or grates for the purpose of preventing the frequent and sometimes fatal accidents which are directly due to the absence of reliable safe-guards. The invention consists of a series of shields or plates of suitable size and material, which are so connected that when not in use they may be easily drawn upward in succession side by side and compactly placed in an appropriate receptacle attached to the front of a mantel or to a wall above a fireplace" (lines 16-29).
Date: May 3, 1892
Creator: Gibson, Nathaniel B.
Item Type: Patent
Partner: UNT Libraries Government Documents Department

Adjustable Grate Attachment.

Description: Patent for an adjustable grate attachment that is meant to be used with open grates. It prevents "the falling of heated coals therefrom; also to provide for extension of the grate vertically to facilitate making of a larger fire; and further, to provide an attachment which may be used in regulating the draft to the grate proper" (lines 15-20).
Date: May 23, 1893
Creator: Hutton, Milton Calhoun
Item Type: Patent
Partner: UNT Libraries Government Documents Department