Resource Type

Month

Plow. (open access)

Plow.

Patent for the improvement and simplification of disk plows. It consists of improvements to interconnection of beam, plow, wheels and axle in their positioning and securing to allow for adjustments of these parts; also includes scrapers for plow-disks. Illustrations of a possible implementation are included.
Date: March 18, 1902
Creator: Schofield, James
System: The Portal to Texas History
Combination Measuring and Transfer Tank Pump (open access)

Combination Measuring and Transfer Tank Pump

Patent for a combination measure and transfer tank pump to be used for the transferring of oil from one container to another.
Date: March 18, 1919
Creator: Kirkwood, Abraham L.
System: The Portal to Texas History