Aeronautic Power Plant Investigations (open access)

Aeronautic Power Plant Investigations

Report presents the design of radiators, spark plugs and test equipment used to test the performance of aeronautic engines at high altitudes.
Date: May 1917
Creator: Dickinson, H. C.
Object Type: Report
System: The UNT Digital Library
Gold Dredging in the United States (open access)

Gold Dredging in the United States

Report discussing the development of gold dredging in the United States, the essential features of present-day dredges, the facts that determine whether a placer deposit can be profitably dredged, and the approved methods of prospecting placer ground and of operating dredges. Intended for designers and builders of dredges, mining engineers, and persons who may contemplate investing capital in placer-mining ventures.
Date: May 1918
Creator: Janin, Charles
Object Type: Report
System: The UNT Digital Library
Destroy the Common Barberry (open access)

Destroy the Common Barberry

Discusses the importance of eradicating the common barberry bush in order to prevent the spread of the disease black stem rust to wheat, oats, barley, rye, and wild grasses. Farmers are advised to dig up all common barberry bushes; however, Japanese barberry bushes are harmless and can remain, or farmers may even replace common barberry bushes with Japanese barberry bushes.
Date: May 1919
Creator: E. C. (Elvin Charles) Stakman, 1885-1979
Object Type: Pamphlet
System: The UNT Digital Library
Temperature Measurements in Bessemer and Open-Hearth Practice (open access)

Temperature Measurements in Bessemer and Open-Hearth Practice

Technical paper issued by the Bureau of Standards over studies conducted on different types of furnaces, specifically the Bessemer and the open-hearth furnace. The results of the studies are presented and discussed. This paper includes tables, and illustrations.
Date: May 8, 1917
Creator: Burgess, George K.
Object Type: Report
System: The UNT Digital Library
Suggestions for Improved Methods of Mining Coal on Indian Lands in Oklahoma (open access)

Suggestions for Improved Methods of Mining Coal on Indian Lands in Oklahoma

Technical paper issued by the Bureau of Mines over studies of Oklahoma coal mines. As stated in the introduction, "this report describes the systems of mining used, points out their defects, and presents suggestions for improved methods, more especially as regards the applicability of different modifications of the panel system to mining coal in Oklahoma" (p. 5). This paper includes tables, maps, and illustrations.
Date: May 1918
Creator: Rutledge, J. J. & Harrington, Daniel
Object Type: Report
System: The UNT Digital Library
Motor Gasoline Properties, Laboratory Methods of Testing, and Practical Specifications (open access)

Motor Gasoline Properties, Laboratory Methods of Testing, and Practical Specifications

Technical paper issued by the Bureau of Mines over studies conducted on motor gasoline. The methods, properties, and results of the studies are presented and discussed. This paper includes tables and an illustration.
Date: May 1917
Creator: Dean, E. W.
Object Type: Report
System: The UNT Digital Library
Waste of Oil and Gas in the Mid-Continent Fields (open access)

Waste of Oil and Gas in the Mid-Continent Fields

Technical paper issued by the Bureau of Mines over studies of waste in oil and gas fields in the mid-continent area. As stated in the introduction, this report "describes the general amounts and kinds of waste, and attempts to show the importance of conserving these natural resources" (p. 5). This paper includes tables, maps, illustrations, and photographs.
Date: May 1914
Creator: Blatchley, Raymond S.
Object Type: Report
System: The UNT Digital Library
Front Truck for Planters &c. (open access)

Front Truck for Planters &c.

Patent for a front truck for planters, which can be used for steering the machine.
Date: May 24, 1910
Creator: Brim, Isaac D.
Object Type: Patent
System: The Portal to Texas History
Closer for Cans and the Like. (open access)

Closer for Cans and the Like.

Patent for an efficient, easy-open-and-close top for various types of cans which are used frequently.
Date: May 28, 1912
Creator: Perkins, William Hunter
Object Type: Patent
System: The Portal to Texas History
Clothes Pounder (open access)

Clothes Pounder

Patent for a clothes pounder. Illustration included.
Date: May 17, 1910
Creator: Turner, James S. & Campbell, John Luther
Object Type: Patent
System: The Portal to Texas History
Automobile-Indicator (open access)

Automobile-Indicator

Patent for an automobile indicator which shows the license number of the car and the state in which the license was issued. Illustrations included.
Date: May 7, 1912
Creator: Hoaker, John & Banks, William I.
Object Type: Patent
System: The Portal to Texas History
Display Cabinet (open access)

Display Cabinet

Patent for display cabinet. The invention consists of outer and inner casings that are accessible via door. Illustrations included.
Date: May 30, 1911
Creator: Smith, Ernest & Nelson, Axel
Object Type: Patent
System: The Portal to Texas History
Box and Package Elevating Apparatus (open access)

Box and Package Elevating Apparatus

Patent for an elevator for boxes and packages. Illustrations included.
Date: May 3, 1910
Creator: Brigance, Alice Osborne
Object Type: Patent
System: The Portal to Texas History
Notching Means for Wire-Winding Machines (open access)

Notching Means for Wire-Winding Machines

Patent for a notching means for wire winding machines for use in making well screens.
Date: May 2, 1911
Creator: Fisk, Lawnnedo
Object Type: Patent
System: The Portal to Texas History
Cotton-Cleaner. (open access)

Cotton-Cleaner.

Patent for a cotton cleaner with beater arms attached to the shaft of the machine.
Date: May 2, 1911
Creator: Murray, Stephen D.
Object Type: Patent
System: The Portal to Texas History
Feed-Mixer. (open access)

Feed-Mixer.

Patent for a machine for mixing grains and other feed ingredients, with automatic feeding of the different ingredients into the mixing chamber.
Date: May 30, 1911
Creator: Richmond, George E.
Object Type: Patent
System: The Portal to Texas History
Harness-Saddle (open access)

Harness-Saddle

Patent for a harness saddle that will always maintain its shape and will be comfortable for the animal, thus preventing sores from forming. Illustrations included.
Date: May 17, 1910
Creator: Homann, Alfred
Object Type: Patent
System: The Portal to Texas History
Cushion-Padded Horseshoe (open access)

Cushion-Padded Horseshoe

Patent for a horseshoe with cushion padding. Illustrations included.
Date: May 17, 1910
Creator: Gowing, William N.
Object Type: Patent
System: The Portal to Texas History
Apparatus for Destroying Insects (open access)

Apparatus for Destroying Insects

Patent for an apparatus for destroying insects. Illustrations included.
Date: May 23, 1911
Creator: Crow, William M. & Crow, Levi H.
Object Type: Patent
System: The Portal to Texas History
Compressing-Machine. (open access)

Compressing-Machine.

Patent for a compressing machine for pressing plastic, cotton, and cotton seeds.
Date: May 2, 1911
Creator: Baade, John
Object Type: Patent
System: The Portal to Texas History
Burner (open access)

Burner

Patent for a hydrocarbon oil burner. Illustrations included.
Date: May 3, 1910
Creator: Butler, Albert C.
Object Type: Patent
System: The Portal to Texas History
Caster. (open access)

Caster.

Patent for "casters, and more especially to those of that type employing a ball and anti-friction rollers," (lines 8-10) including instructions and illustrations.
Date: May 16, 1911
Creator: Taylor, Henry William
Object Type: Patent
System: The Portal to Texas History
Automatic Gun or Rifle. (open access)

Automatic Gun or Rifle.

Patent for a gun or rifle with a magazine, which quickly and automatically ejects spent cartridges and reloads.
Date: May 7, 1912
Creator: Douglas, William M.
Object Type: Patent
System: The Portal to Texas History
Combination Claw and Pinch Bar (open access)

Combination Claw and Pinch Bar

Patent for a combination claw and pinch bar that is adapted for use with railway tracks. Illustrations included.
Date: May 10, 1910
Creator: Clarke, Marcus S. & Adreon, Edward L.
Object Type: Patent
System: The Portal to Texas History