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Composition Pulp Plaster and Process of Manufacturing Same.

Description: Patent for "a composition pulp plaster designed as a substitute for ordinary lime-plaster and equivalent materials and particularly adapted for use in warm moist climates, where the ordinary lime-plaster lacks durability and is rendered non-adherent. A further objective of the invention is to provide a cheap substitute for plaster which will be not only waterproof, but also fireproof and gas-proof or practically impervious to air" (lines 9-18). It includes instructions for manufacturing the p… more
Date: May 9, 1899
Creator: Blake, David H. & Ray, Jeramiah P.
Partner: UNT Libraries Government Documents Department

Boiler-Cleaning Compound.

Description: Patent for a boiler-cleaning compound made up of "an improved compound having sodium hydrate for a base, and having certain subordinate ingredients whereby its efficiency is increased, and whereby the action of the sodium hydrate is so modified that no detriment to the boiler iron will result" (lines 10-16).
Date: February 19, 1895
Creator: Hill, Martin L.
Partner: UNT Libraries Government Documents Department

Chemical Composition

Description: Benjamin R. Harris' legal patent from the United States Patent Office, on the chemical compositions he created which are products with hydrophyllic characters and explaining how he forms them.
Date: December 3, 1935
Creator: Harris, Benjamin R.
Partner: Moody Medical Library, UT

Manufacture of Aluminum Chloride.

Description: Patent for the manufacture of Aluminum Chloride that can be carried out at lower temperatures with aluminum ore or compound, such as bauxite, sulfur and chlorine, and involves no cooking.
Date: July 11, 1922
Creator: Hall, Frank W.
Partner: UNT Libraries Government Documents Department

Process of Refining Crude Cotton-Seed Oil

Description: Patent for improvements in the processes of refining crude cotton-seed oil which increases the yield of refined oil. Improved results are are obtained by "neutralizing the oil with an alkaline silicate and then treating the oil with a mixture of alkaline hydroxid and alkaline carbonate" (lines 28-31).
Date: March 18, 1913
Creator: Chisholm, Jesse C.
Partner: UNT Libraries Government Documents Department

Plastic Composition.

Description: Patent for a plastic composition that lasts indefinitely, especially for coffins or caskets.
Date: August 29, 1916
Creator: Stone, Oscar Ottoe
Partner: UNT Libraries Government Documents Department

Process of Producing Gas.

Description: Patent for a continuous process of producing a gas rich in carbon monoxide, in which the gas-forming combustible material enters the gas-generating chamber from one end while producer gas exits the other end. Includes instructions and illustrations.
Date: September 15, 1914
Creator: Hirt, Jules H.
Partner: UNT Libraries Government Documents Department

Process of Making Lubricants.

Description: Patent for "an improved process for making a lubricant especially adapted for parts of moving machinery which will be efficient to keep said parts and their bearings cool and which may also be used to cool heated journals and bearings" (lines 11-16).
Date: March 26, 1901
Creator: Hudnall, Millard Stewart
Partner: UNT Libraries Government Documents Department

Process of Making Hydrochloric Acid and Calcium Carbid

Description: Patent for "new and useful processes in treating fused calcium chlorid with acetylene gas or other gases mixed therewith, whereby hydrochloric-acid gas and calcium carbid may be produced," (lines 12-16) thus making the manufacturing processes of hydrochloric-acid cheaper while also producing calcium carbid more economically.
Date: July 24, 1906
Creator: Seamon, William H.
Partner: UNT Libraries Government Documents Department

Process of Leaching Copper Ores

Description: Patent for "a method of recovering copper by the electrolysis of copper solutions of any suitable kind, obtained by the lixiviation of the ore" (lines 9-12). The improvement in this method is that almost all the sulfuric acid and other leaching agents are used up prior to the copper going to the electrolysis tanks which increases the amount of copper recovered and the reduction of accumulated biproducts.
Date: October 22, 1918
Creator: Hahn, Albert W.
Partner: UNT Libraries Government Documents Department

Soda-Ash Process.

Description: Patent for a new process to create soda-ash, also known as sodium carbonate. Includes the detailed steps to this process and the chemical reactions involved.
Date: June 1, 1915
Creator: Hirt, Jules Hector
Partner: UNT Libraries Government Documents Department

Gas-Generating Machine.

Description: Patent for "...an improved method of and means for generating hydrocarbon vapors for heating and lighting purposes; and it consists in the novel manner in which the process is carried out and in the novel construction and combination of parts comprising the generating apparatus..." (lines 18-24) including instructions and illustrations.
Date: March 9, 1897
Creator: Mitchell, Francis L.
Partner: UNT Libraries Government Documents Department

Gas- Generator

Description: Patent for improvements in gas generators relating to machines that use acetylene gas. These improvements are meant to make gas generators easy to use and easy to construct.
Date: November 14, 1905
Creator: Ferguson, Andrew J
Partner: UNT Libraries Government Documents Department

Gas Generator

Description: Patent for a gas generator that generates hydrocarbon gases. It is "to provide ample and efficient means for feeding gas making elements into the fillings or contents located in the generators and to distribute uniformly to all parts of a generator the elements fed into the generator and to provide efficient means for operating the feeding devices and to provide agitating devices working in combination with the feeding devices for agitating the fumes within the generator." (line 11-21)
Date: March 9, 1915
Creator: Tinsley, Waller P.
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for an improved acetylene-gas generator "which is kept in a relatively-cool condition by a surrounding bath of water and which generator is removable at will from the floatable bell of the tank. A further object is to prevent the waste carbid from dropping into the water of the expansible tank and to provide for the free discharge of gas from the generator [...] while [...] permitting the expeditious removal of said generator for the purpose of cleaning and recharging" (lines 13-24).
Date: June 19, 1900
Creator: Lindholm, Charlie M.
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, Benjamin F.
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for an acetylene gas generator, which claims to improve upon this device by simplifying the "means for feeding carbid to the water," (line 14) hence making it "more efficient and durable in use and less expensive to manufacture." (lines 19-21)
Date: April 3, 1906
Creator: Dulaney, John B.
Partner: UNT Libraries Government Documents Department
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