Windmill (open access)

Windmill

Patent for a windmill that changes directions with the wind automatically and provides more power to the pump.
Date: July 23, 1912
Creator: Romans, John W.
System: The Portal to Texas History
Improvement in Railway-Tracks. (open access)

Improvement in Railway-Tracks.

Patent for improvements in the adjoining of railway tracks.
Date: July 23, 1878
Creator: Cottingham, Gideon W.
System: The Portal to Texas History