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4 Matching Results
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Cement Kiln
Patent for a new and improved cement kiln for drying gypsum and other materials employed in the manufacture of cement and plaster.
Date:
April 28, 1902
Creator:
Malone, Samuel R.
System:
The Portal to Texas History
Cement Plaster Kettle
Patent for a cement plaster kettle. This "invention is an improvement in kettles for cooking gypsum in order to convert the same into cement-plaster" (line 8-10). Illustration included.
Date:
April 5, 1904
Creator:
Malone, Charles Henry
System:
The Portal to Texas History
Acetylene Gas Generator
Patent for "a new and useful acetylene-gas generator" (lines 5-6), including illustrations and instructions.
Date:
April 26, 1898
Creator:
Williams, Benjamin F.
System:
The Portal to Texas History
Pump Jack
Patent for an improved double-acting pump jack that will require less parts and external force to operate and maintain.
Date:
April 29, 1919
Creator:
Lively, William
System:
The Portal to Texas History