Tie Tamping Device. (open access)

Tie Tamping Device.

Patent for a tie tamping device to be used in building and repairing railroads.
Date: November 19, 1918
Creator: Johnson, Robert
System: The Portal to Texas History
Seed-Sowing Attachment for Plows. (open access)

Seed-Sowing Attachment for Plows.

Patent for a seed-sowing attachment for plows which can "drop the seed in a furrow as it is made by the plow, and after it is covered by the formation of a successive furrow, and thereby complete the sowing or drilling process simultaneously with the plowing operation" (lines 14-19).
Date: June 19, 1894
Creator: Johnson, George W.
System: The Portal to Texas History