Improvement in Seed-Planters (open access)

Improvement in Seed-Planters

Patent for an improvement in seed-planters, which allows for adjusting to plant less or more seeds as desired.
Date: May 21, 1872
Creator: Richards, Augustus
System: The Portal to Texas History
Improvement in Stalk-Chopper (open access)

Improvement in Stalk-Chopper

Patent for an improvement in corn and cotton stalk-choppers, allowing for the stalks to be turned under by the plow and prevent their interference with the machine.
Date: May 21, 1872
Creator: Richards, Augustus
System: The Portal to Texas History
Improvement in Washing-Machines. (open access)

Improvement in Washing-Machines.

Patent for the improvement of washing machines, using two washboards. It includes a description and illustrations.
Date: May 21, 1872
Creator: Harper, William F.
System: The Portal to Texas History