Sliding Valve for Steam-Engines or the Like (open access)

Sliding Valve for Steam-Engines or the Like

Patent for a sliding valve for steam-engines or the like that is "simpler, less expensive, and otherwise more convenient and advantageous for use" (lines 21-24) including an illustration and instructions.
Date: June 8, 1915
Creator: Williamson, Jason & Williamson, Elmer
System: The Portal to Texas History
Peanut-Planting Attachment. (open access)

Peanut-Planting Attachment.

Patent for an attachment to a seed planter for the purpose of planting peanuts. The device allows for efficient and inexpensive peanut planting by simply connecting to existing equipment.
Date: June 11, 1918
Creator: Wright, Melvin T.
System: The Portal to Texas History