Plow Mold Board. (open access)

Plow Mold Board.

Patent for a new and improved plow mold board. This design "consists of a circular roll arranged in the mold-board near the point and covered with belting, which, in the forward movement of the plow, is revolved and carries the earth backward on an endless belt passing around rollers journaled in the end of transverse slots made in the mold-board, whereby, in the forward movement of the plow, the belt is revolved and the friction of the earth on the mold-board decreased and the plow scoured" (lines 17-28).
Date: August 22, 1882
Creator: Dahlman, Carl Oscar
System: The Portal to Texas History
Insect-Destroying Machine. (open access)

Insect-Destroying Machine.

Patent for improvements in insect-destroying machines to remove and destroy the boll-weevil of cotton plants by “gathering the branches of the plant into position to be effectively operated upon by a revolving brush which sweeps the weevils from the plant into a box carried by the machine without injury to the cotton plants.” (Lines 25 -30)
Date: April 22, 1902
Creator: Dyer, Charles V.
System: The Portal to Texas History