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Improvment in Cultivators. (open access)

Improvment in Cultivators.

Patent for improvement in digging or cultivation machines primarily adapted to the cultivation of cotton. Includes parts that can be added or removed from the machine, thereby reducing the number of machines needed for farm work. Includes illustrations and instructions.
Date: September 10, 1872
Creator: Forsgard, Gustave A.
System: The Portal to Texas History
Improvement in Blow Offs For Boilers (open access)

Improvement in Blow Offs For Boilers

Patent for Improvement in Blow Offs For Boilers provides details of the construction of the blow off device with two labeled Figures and descriptive text. Also includes the significance of the blow off device and how it will improve locomotive travel by conserving water.
Date: September 10, 1872
Creator: Husted, Esbon Forrest
System: The Portal to Texas History