Drain-Pipe. (open access)

Drain-Pipe.

Patent for a drain pipe for irrigation systems.
Date: March 14, 1911
Creator: Osborne, Charles W.
System: The Portal to Texas History
Drainage System (open access)

Drainage System

Patent for a drainage system. Illustration included.
Date: June 6, 1911
Creator: Osborne, Charles W.
System: The Portal to Texas History