UNT Libraries Government Documents Department - 12 Matching Results

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Cement.

Description: Patent for cement of the type commonly known as Keene's cement, which is harder and glossier than other types of cement.
Date: March 23, 1909
Creator: Jones, Thomas

Cement.

Description: Patent for cement that is better or equivalent to Keene's cement from England, made from pure gypsum and various chemicals and only calcinated once.
Date: May 7, 1907
Creator: Jones, Thomas

Stalk-Cutter.

Description: Patent for a stalk cutter for cutting dead stalks left over from the last crop that has an improved rotary cutter and lifting mechanism.
Date: October 22, 1907
Creator: Klock, George Wade

Cement Plaster Kettle

Description: 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

Cement Kiln

Description: 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.
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