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Cement.
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
System:
The Portal to Texas History
Calcining Apparatus
Patent for a calcining apparatus. This invention if for the calcining plaster of all types. Illustration included.
Date:
June 7, 1904
Creator:
Kibler, Daniel L.
System:
The Portal to Texas History
Cotton-Separator
Patent for an apparatus for cleaning seed cotton and separating the dust and dirt therefrom prior to the ginning operation. The apparatus will have a perforated metal disk or wheel where cotton will readily slide off, instead of getting clogged. The separator wheel will have a smooth plane surface that will cause no injury to the cotton and the entire surface is freely exposed and unobstructed.
Date:
September 7, 1915
Creator:
Hughes, James Y.
System:
The Portal to Texas History