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  Partner: UNT Libraries Government Documents Department
 Collection: Texas Patents
Acetylene-Gas Generator.

Acetylene-Gas Generator.

Date: September 19, 1899
Creator: Bryant, Henry
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).
Contributing Partner: UNT Libraries Government Documents Department
Acetylene-Gas Generator.

Acetylene-Gas Generator.

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

Acetylene Gas Generator.

Date: February 15, 1898
Creator: Dederick, Zadoc P.
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).
Contributing Partner: UNT Libraries Government Documents Department
Acetylene-Gas Generator.

Acetylene-Gas Generator.

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

Acetylene-Gas Generator.

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

Acetylene-Gas Generator.

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

Acetylene-Gas Lamp.

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

Acetylene Gas Machine

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

Adding Machine.

Date: September 22, 1885
Creator: McCaleb, John L.
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).
Contributing Partner: UNT Libraries Government Documents Department
Adding-Machine.

Adding-Machine.

Date: May 12, 1891
Creator: Wright, Joseph W.
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.
Contributing Partner: UNT Libraries Government Documents Department