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Acetylene-Gas-Generating Apparatus.
Patent for "improvements in apparatus for generating acetylene , and comprises the novel features." (lines 8-10) including illustration.
Date:
July 24, 1900
Creator:
Metcalf, Charles Wesley
System:
The Portal to Texas History
Process of Making Hydrochloric Acid and Calcium Carbid
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.
System:
The Portal to Texas History
Screening Device.
Patent for a screening device that offers "an improved means for imparting motion to and controlling or varying the motion of the screen to affect a separation of the materials undergoing treatment." (lines 10-13).
Date:
July 24, 1917
Creator:
Cole, David
System:
The Portal to Texas History