Resource Type

States

Pump-Operating Mechanism (open access)

Pump-Operating Mechanism

Patent for a mechanical pump operating mechanism that increases capacity.
Date: July 4, 1911
Creator: Linnartz, Hugo
System: The Portal to Texas History
Rice-Hulling Machine (open access)

Rice-Hulling Machine

Patent for a rice hulling machine. Illustrations included.
Date: April 4, 1911
Creator: Couch, Albert B.
System: The Portal to Texas History