Circulating-Fan (open access)

Circulating-Fan

Patent for a circulating fan for cooling rooms. Illustrations included.
Date: July 11, 1911
Creator: Jalonick, Hartwell
System: The Portal to Texas History
Trolley (open access)

Trolley

Patent for a trolley that has a secure connection to the trolley line.
Date: July 4, 1911
Creator: Irwin, Walter W.
System: The Portal to Texas History
Fiber-Cleaning Machine (open access)

Fiber-Cleaning Machine

Patent for a machine for decorticating plants and cleaning the pulp from the fibers. Illustrations included.
Date: July 18, 1911
Creator: Vaughan, Henry L.
System: The Portal to Texas History