Oil Press Mat. (open access)

Oil Press Mat.

Patent for a new and improved oil press mat. This design consists in "having its body portion composed of card-board cut to the size of the press-box, the adjacent faces being covered with sheet metal, which is pressed or stamped into the paper body to give the required cavity, which is bounded by raised margins and transverse ribs struck up from the metal, and supported by paper strips interposed between the layers of card-board, the two leaves of the mat having a leather backing and being hinged together" (lines 15-25).
Date: September 18, 1883
Creator: Osborn, Adelbert E.
System: The Portal to Texas History
Plow Gage. (open access)

Plow Gage.

Patent for a new and improved plow gauge. This design "may be adjusted as desired without loosening the connection of the share with the plow-stock, and that when it is desired to shift or change the stock, it may be readily done by running off [a] nut and swinging the bar and shoe forward on the hinge and entirely free from the bolt connections of the plowshare" (lines 73-80).
Date: September 18, 1883
Creator: Holt, Theodore
System: The Portal to Texas History