Resource Type
Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Improvement in Combined Cistern Tops and Filters.
Patent for improvements to cistern covers, combining a cast iron, charcoal filled filter and specially shaped cast perforated iron lid with handles for removing the cover and for changing the charcoal.
Date:
July 9, 1874
Creator:
Stacey, Ephraim Douglass
System:
The Portal to Texas History
Spark Arrester
Patent for spark arrester. This invention is adapted for use with locomotives. Illustration included.
Date:
November 9, 1909
Creator:
Ridgway, Elzie L.
System:
The Portal to Texas History