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Improvement in the Manufacture of Hydraulic Cement
Patent for the improvement in the manufacture of hydraulic cement with specifications for the manufacturing process and a description of usage.
Date:
June 25, 1878
Creator:
Dimelow, John
System:
The Portal to Texas History
Improvement in Corn and Cotton Planter.
Patent for a "new and improved corn and cotton planter" (lines 3-4), to plant both cotton and corn seed,including instructions and illustrations. The configuration includes a new combination of parts.
Date:
December 25, 1877
Creator:
Domschke, Charles
System:
The Portal to Texas History
Device for Ringing Bells.
Patent for improvements in the construction of devices for ringing bells, including illustrations.
Date:
February 25, 1879
Creator:
Perry, Elton
System:
The Portal to Texas History