Resource Type

Air-Supply-Valve Attachment (open access)

Air-Supply-Valve Attachment

Patent for a valve add on for a carburetor in order to control the air flow.
Date: January 24, 1918
Creator: Kirkpatrick, Monroe C.
System: The Portal to Texas History
Stalk-Cutting Attachment for Plows (open access)

Stalk-Cutting Attachment for Plows

Patent for a stalk cutter attachment for plows. Illustrations included.
Date: December 24, 1912
Creator: Osborne, John E.
System: The Portal to Texas History