Resource Type

Month

Combined Harrow and Roller (open access)

Combined Harrow and Roller

Patent for a combined harrow and roller for pulverizing and eliminating unwanted growth from the ground. Illustrations included.
Date: April 9, 1912
Creator: Younger, Walter E.
System: The Portal to Texas History
Rail-Joint (open access)

Rail-Joint

Patent for a rail joint that locks securely and will not sag.
Date: April 30, 1912
Creator: White, John
System: The Portal to Texas History