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[Photograph of Chemistry Lab]

Description: Photograph of the 1917 chemistry lab at Abilene Christian College, showing students gathered around a work station holding beakers and writing in notebook, with what looks like the instructor standing at the blackboard with a piece of chalk in his hand, about to write.
Date: 1917
Item Type: Refine your search to only Photograph
Partner: Abilene Christian University Library

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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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