Improvement in Insect-Exterminators. (open access)

Improvement in Insect-Exterminators.

Patent for an improved insect exterminator design with modifications especially suitable for cotton fields, includes illustrations.
Date: June 10, 1879
Creator: Walker, John Z.
System: The Portal to Texas History
Improvement in Seeding-Machines (open access)

Improvement in Seeding-Machines

Patent for a seed-planting machine with adjustable mechanisms that allows the user to customize the seeding machine for a specific project.
Date: June 2, 1874
Creator: Lee, Abram & Sinks, Edward Randolph
System: The Portal to Texas History