Counties
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Improvement in Automatic Fan
Patent for improvement in automatic fans, specifically of a fan attached to a pendulum of a clock mechanism.
Date:
April 25, 1876
Creator:
Gollner, Ervin G. & Fretz, Emil
System:
The Portal to Texas History