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Temperature-Viscosity Relations in the Ternary System CaO-Al₂O₃-SiO₂
Technical paper issued by the Bureau of Mines over studies on the relations of temperature-viscosity. The "observations on the temperature-viscosity relations of silicates" (p. 5) are presented and discussed. This report includes tables, and illustrations.
Date:
April 1918
Creator:
Feild, Alexander L. & Royster, P. H.
Object Type:
Report
System:
The UNT Digital Library
A Systematic Synopsis of the Muskrats
From introduction: "Systematic account of the genus Fiber through study of over 1,000 specimens, chiefly well-prepared skins, accompanied by skulls, together with many odd skulls and skeletons."
Date:
April 29, 1911
Creator:
Hollister, N.
Object Type:
Report
System:
The UNT Digital Library
Methods of Preventing and Limiting Explosions in Coal Mines
Technical paper issued by the Bureau of Mines over safety prevention in coal mines. Preventing mine explosions is emphasized. Methods used in mine safety are discussed. This paper includes tables, illustrations, and photographs.
Date:
April 1915
Creator:
Rice, George S. & Jones, L. M.
Object Type:
Report
System:
The UNT Digital Library
Revision of the American Marmots
Discusses history, nomenclature, common names, habits, external characters, and specimens of American marmots. Describes, lists locations, and provides a key to species and subspecies.
Date:
April 7, 1915
Creator:
Howell, Arthur H.
Object Type:
Report
System:
The UNT Digital Library
Antispreading Device for Railway-Tracks.
Patent for improvement for preventing the railroad tracks from spreading by using a device to connect the ends of two parallel rail to connecting adjacent pair of rails.
Date:
April 8, 1919
Creator:
Stovall, John T.
Object Type:
Patent
System:
The Portal to Texas History
Combine Dimmer and Adjuster for Headlights
This patent is for the improvement of illumination and more particularly relates to a combined dimmer and adjuster for headlights. The primary aim is for the improvement of dimmers on the lamps of a motor vehicle so that the dimmers might be adjusted together with respect to the lamps so that various positions of vertical and horizontal adjustment are possible and if necessary, the removal of the cover of the lamps.
Date:
April 9, 1918
Creator:
Averitt, Robert W.
Object Type:
Patent
System:
The Portal to Texas History
Combined Water Gage and Recorder
Patent for a combined gage and recorder meant to measure the water used in steam generators.
Date:
April 15, 1919
Creator:
Holland, J. M.
Object Type:
Patent
System:
The Portal to Texas History
Combined Clock Speed Regulator And Recorder
Patent for a combined clock-speed regulator and recorder. This object is used for recording and measuring speed in a vehicle.
Date:
April 30, 1918
Creator:
Cook, Charles T.
Object Type:
Patent
System:
The Portal to Texas History
Centrifugal Brake Mechanism
Patent for a centrifugal break mechanism, primarily designed as an automatic brake device for elevators travelling at an abnormal speed.
Date:
April 16, 1918
Creator:
Cobb, Albert C.
Object Type:
Patent
System:
The Portal to Texas History
Chicken-Brooder
Patent for an improved Chicken-Brooder that provide an improved brooder especially for outdoor use or independently of poultry house.
Date:
April 29, 1919
Creator:
Murray, Richard R.
Object Type:
Patent
System:
The Portal to Texas History
Casket-Support.
Patent for Casket-Support. "An object of the invention is to provide a support of simple and durable structure adapted to be manipulated to support the casket at an elevated position with relation to a floor or which may be folded whereby the casket may rest flat upon the floor." (line 3)
Date:
April 2, 1918
Creator:
Kinnison, Martin L.
Object Type:
Patent
System:
The Portal to Texas History
Barrel Support
Patent for "certain new and useful improvements in Barrel Supports (lines 5-6)."
Date:
April 2, 1918
Creator:
Taylor, Charles E. Jr.
Object Type:
Patent
System:
The Portal to Texas History
Advertising Device
Patent for an advertising device meant to sit on a desk as a ruler. This device is designed to make the images on its surface appear to be suspended in air when it is lifted. It can be manufactured cheaply and is intended to be distributed for free as both a ruler and advertisement.
Date:
April 9, 1918
Creator:
Glisson, Amos Adolphus
Object Type:
Patent
System:
The Portal to Texas History
Clod-Crusher
This patent is for a clod crusher. The purpose of this patent is to make clod crushing more effective and efficient through the action of the cutting members and not by the weight of apparatus alone.
Date:
April 9, 1918
Creator:
Weems, Thomas J.
Object Type:
Patent
System:
The Portal to Texas History
Clamp for Spirit-Levels.
Patent for clamps for spirit levels that allow a spirit level to be attached directly to a straight edge so that one person could safely use both the straight edge and the spirit level simultaneously. Additionally, the clamp production is simple so it can be produced at a low cost.
Date:
April 30, 1918
Creator:
Bridgman, Jesse Everet
Object Type:
Patent
System:
The Portal to Texas History
Adjustable Trunk-Rack
Patent for a trunk-rack that is adjustable and sturdy. The trunk-rack design indicates that the rack has wheels and adjustable components to accommodate various sized pieces of luggage.
Date:
April 15, 1919
Creator:
Wessinger, Lon Woodram
Object Type:
Patent
System:
The Portal to Texas History
Wire-Stretcher.
Patent for a wire stretcher tool for use in building wire fences.
Date:
April 18, 1911
Creator:
Gibbens, Andrew J.
Object Type:
Patent
System:
The Portal to Texas History
Word Counting Device for Type-Writers
Patent for a word counting device to be used with a typewriter. Illustrations included.
Date:
April 5, 1910
Creator:
Girand, Wilberforce D.
Object Type:
Patent
System:
The Portal to Texas History
Window-Sash.
Patent for a window sash, which can have window panes installed in it without the use of putty.
Date:
April 5, 1910
Creator:
Perkins, Wallace P.
Object Type:
Patent
System:
The Portal to Texas History
Wrench.
Patent related to a wrench that is adjustable to fit any nut size. When secured on the nut, this wrench will firmly grip the nut until the handler loosens the wrench from the nut.
Date:
April 9, 1912
Creator:
Weatherly, George B.
Object Type:
Patent
System:
The Portal to Texas History
Writing-Machine.
Patent for writing-machine mechanism which prolongs the life of the ribbon and provides "means to rotate the platen step by step at each actuation of one or more of the keys" (line 20).
Date:
April 24, 1917
Creator:
Edwards, Alrah B. & Russell, Frank K.
Object Type:
Patent
System:
The Portal to Texas History
Wire-Stretcher.
Patent for a tool to stretch telephone wire, barb wire, and wire fencing. The tool connects to and holds in place a wire using a lock. While locked in place, the wire is stretched without the need of chains.
Date:
April 28, 1914
Creator:
Armstrong, Henry H. & Armstrong, H. H.
Object Type:
Patent
System:
The Portal to Texas History
Wrench.
Patent for a "simple, efficient, and comparatively inexpensive wrench of strong and durable construction" (lines 12-14) with a sliding jaw.
Date:
April 7, 1914
Creator:
Cunningham, Ira & Flowers, Haywood
Object Type:
Patent
System:
The Portal to Texas History
Wrapper.
Patent for the creation of a file made of cardboard, canvas, and cords made for sending articles such as drawings, fabrics, and such through the mail.
Date:
April 6, 1915
Creator:
Page, Harvey L. & Burnett, Robert L., Sr.
Object Type:
Patent
System:
The Portal to Texas History