Touch-Regulator for Pianos (open access)

Touch-Regulator for Pianos

Patent for a touch regulator for pianos.
Date: May 5, 1903
Creator: Goggan, Michael
System: The Portal to Texas History
Artificial Fuel (open access)

Artificial Fuel

Patent for artificial fuel.
Date: May 12, 1903
Creator: Russi, Charles & Cadena, Celedonio
System: The Portal to Texas History