Air-Chamber. (open access)

Air-Chamber.

Patent for an air-chamber that pumps in air confined with a flexible diaphragm to spray or diffuse fluid, including illustration.
Date: June 18, 1861
Creator: Creuzbaur, Robert
System: The Portal to Texas History
Improvement in Cultivators. (open access)

Improvement in Cultivators.

Patent for a plow called the "The Texas Cultivator" (line 7) that uses left and right wings and diamond plows that may be used to plow either side of stock to eliminate additional operators and time for the same job, including illustration.
Date: June 4, 1861
Creator: Cain, Shugar M. & Stelfox, William
System: The Portal to Texas History
Improvment in Steam-Plows. (open access)

Improvment in Steam-Plows.

Patent for one machine that plows, sows, roles and harrow soil in one operation or separately, including illustrations.
Date: June 25, 1861
Creator: Saladee, Cyrus W.
System: The Portal to Texas History