Oil-Converting Apparatus. (open access)

Oil-Converting Apparatus.

Patent for an apparatus that can be built at moderate cost, which will enable a high rate of commercially efficient work to reduce "the specific gravity of various grades of hyrdo-carbon oils, especially those of a semi-refined character" (lines 22 - 24).
Date: October 28, 1919
Creator: Adams, Joseph H.
Object Type: Patent
System: The Portal to Texas History
Process of Saturating Oils (open access)

Process of Saturating Oils

Patent for the process of saturating oils. This is a continuation of the treating and improving petroleum hydrocarbons application serial number 792615 filed 1913-09-30.
Date: August 27, 1918
Creator: Almer McDuffie
Object Type: Patent
System: The Portal to Texas History
Jack. (open access)

Jack.

Patent for a jack for lifting heavy loads on railroads, which has an automatic steady movement of the load up and down without adjusting the jack settings.
Date: August 6, 1907
Creator: Blake, David Alexander & Blake, Charles William
Object Type: Patent
System: The Portal to Texas History
Propeller (open access)

Propeller

Patent for a boat propeller that does not create a vacuum behind it and is more efficient than other propellers.
Date: July 23, 1912
Creator: Blake, David H.
Object Type: Patent
System: The Portal to Texas History
The Roundheaded Apple-Tree Borer (open access)

The Roundheaded Apple-Tree Borer

This report discusses the roundheaded apple-tree borer, an insect in the eastern and midwestern United States that, in its larval stage, destroys the bark and wood of apple trees. Several methods of control are discussed, including worming, paints and washes, and sprays.Apple-tree borers.
Date: 1915
Creator: Brooks, Fred E.
Object Type: Pamphlet
System: The UNT Digital Library
Improvement in Insect-Destroyers. (open access)

Improvement in Insect-Destroyers.

Patent for a device to destroy "winged insects which are destructive to the cotton plants and other vegetation" (lines 19-21) including instructions and illustrations.
Date: December 6, 1870
Creator: Byrne, Thomas; Strunk, Diedrich & Schott, J. J.
Object Type: Patent
System: The Portal to Texas History
Envelope or Bag Machine (open access)

Envelope or Bag Machine

Patent for a machine "for making envelopes, paper bags, and the like wherein the blank which is to form the envelope or bag is automatically fed into the machine at its receiving end by a suitable feeder and is folded and gummed on its way through the machine, being finally delivered in a marketable condition at the delivery end of the machine" (lines 10-17).
Date: June 24, 1890
Creator: Clarke, George R.
Object Type: Patent
System: The Portal to Texas History
Engraving-machine. (open access)

Engraving-machine.

Patent for improvements to an engraving machine. Illustrations included.
Date: July 1, 1902
Creator: Crane, Walter E.
Object Type: Patent
System: The Portal to Texas History
Bedstead (open access)

Bedstead

Patent for a bedstead. Illustration included.
Date: October 31, 1905
Creator: Davis, Augustus H.; Hummel, George F. & Gray, J. W.
Object Type: Patent
System: The Portal to Texas History
Mold for Typographical Casting-Machines. (open access)

Mold for Typographical Casting-Machines.

Patent for a mold for typographical casting machines which may be altered to produce slugs of different sizes.
Date: April 7, 1914
Creator: Diaz, Pascual M.
Object Type: Patent
System: The Portal to Texas History
Mining and Preparing Domestic Graphite for Crucible Use (open access)

Mining and Preparing Domestic Graphite for Crucible Use

From Prefactory Statement: "In this bulletin are presented the results obtained in the first two phases of the work outlined above. The bulletin is in two parts. The first part describes the methods of mining and milling used, suggests a standard method of sampling finished graphite, and describes a rapid and convenient method of analysis developed at the Pittsburgh station of the Bureau of Mines, to which has been assigned the analytical and microscopic work. The second part describes experiments on the concentration and milling of graphite, which were made at the Salt Lake City, Utah, station."
Date: 1920
Creator: Dub, George D. & Moses, Frederick G.
Object Type: Report
System: The UNT Digital Library
Adhesive and Method of Making the Same (open access)

Adhesive and Method of Making the Same

Patent for starch used for paper that can act as an adhesive coating. Illustrations included.
Date: February 18, 1913
Creator: Dunham, Andrew A. & Dunham, Henry V.
Object Type: Patent
System: The Portal to Texas History
Clip for Type-Writers. (open access)

Clip for Type-Writers.

Patent for a clip for type-writers for Remington or similar type-writers that holds post-cards, envelopes, and similar short items in place. The invention prevents "the blurring or bad impression which is apt to be made, more particularly in machines having type bars with two types each, when the paper is not held firmly to the roller or platen" (lines 12-16).
Date: February 19, 1895
Creator: Gibson, Allen J.
Object Type: Patent
System: The Portal to Texas History
Pyrotechnic Device. (open access)

Pyrotechnic Device.

Patent for a firework called a crazy cracker, which prevents accidental ignition from friction by covering the firework in a wood pulp covering.
Date: November 3, 1908
Creator: Graber, Charles F.
Object Type: Patent
System: The Portal to Texas History
CORE HOLDING AND DROPPING DEVICE FOR COTTON PRESSES. (open access)

CORE HOLDING AND DROPPING DEVICE FOR COTTON PRESSES.

Patent for Core Holding and Dropping Device For Cotton Presses.
Date: February 4, 1897
Creator: Griffin, Thomas J.
Object Type: Patent
System: The Portal to Texas History
Strontium Program Quarterly Summary Report: November 1958 - January 1959 (open access)

Strontium Program Quarterly Summary Report: November 1958 - January 1959

From Abstract: "This report is one of a sequence of quarterly reports, each designed to up-date its predecessor beginning with HASL-42, "Environmental Contamination from Weapon Tests." Herein are reported data which have accrued since HASL-51. In particular, the levels of strontium 90 in fallout, milk, tap water, vegetation, and foods are given, based on data available from November 1, 1958 to January 30, 1959."
Date: February 24, 1959
Creator: Hardy, Edward P., Jr. & Klein, Stanley
Object Type: Report
System: The UNT Digital Library
Seeding-Machine (open access)

Seeding-Machine

Patent for improvements to the hoe of the seeding machine "and attendant parts, and particularly to the means for guiding and adjusting the hoe and for guiding and adjusting the following-wheel" (lines 17-19).
Date: November 8, 1892
Creator: Kirkpatrick, George W. & Ralston, James B.
Object Type: Patent
System: The Portal to Texas History
The Culture of Winter Wheat in the Eastern United States (open access)

The Culture of Winter Wheat in the Eastern United States

Report discussing best practices for growing winter wheat in the eastern United States. Topics discussed include soils adapted to wheat cultivation, fertilizers, seed selection and preparation, and crop rotation.
Date: 1914
Creator: Leighty, C. E. (Clyde Evert), b. 1882
Object Type: Pamphlet
System: The UNT Digital Library
The Culture of Winter Wheat in the Eastern United States (open access)

The Culture of Winter Wheat in the Eastern United States

Revised edition. Report discussing best practices for growing winter wheat in the eastern United States. Topics discussed include soils adapted to wheat cultivation, fertilizers, seed selection and preparation, and crop rotation.
Date: 1917
Creator: Leighty, C. E. (Clyde Evert), b. 1882
Object Type: Pamphlet
System: The UNT Digital Library
Coin-Controlled Vending-Machine (open access)

Coin-Controlled Vending-Machine

Patent for a pencil vending machine that is coin-operated, with illustrations.
Date: September 5, 1911
Creator: Mathes, John W.
Object Type: Patent
System: The Portal to Texas History
Spring-Washer for Piano-Flanges. (open access)

Spring-Washer for Piano-Flanges.

Patent for a spring washer for piano flanges that prevents the flanges from becoming loose over time.
Date: December 5, 1911
Creator: Mayor, Enoch Allen
Object Type: Patent
System: The Portal to Texas History
Trolly Wheel and Harp. (open access)

Trolly Wheel and Harp.

Patent for trolley wheels, where "the transmission of the current through the wheel to the harp is maintained at the maximum and the necessary wear of the relatively movable parts reduced to a minimum" (lines 11-15).
Date: May 7, 1912
Creator: Neighbour, William W.
Object Type: Patent
System: The Portal to Texas History
Wheel. (open access)

Wheel.

Patent for a wheel hub, which has anti friction parts inside of it.
Date: August 23, 1910
Creator: Neighbour, William W.
Object Type: Patent
System: The Portal to Texas History
United States Earthquakes, 1931 (open access)

United States Earthquakes, 1931

Report discussing earthquake activity in the United States during 1931. The report is broken down by regions and has sections for specific earthquakes.
Date: 1932
Creator: Neumann, Frank
Object Type: Report
System: The UNT Digital Library