Country
Counties
Day
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Mechanism for Operating Air-Compressors, &c.
Patent for operating air-compressors, an improvement on the action rather than simply the machinery, accompanied by illustrations on the patent.
Date:
October 16, 1917
Creator:
Brown, Ira Ellsworth
System:
The Portal to Texas History