1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Boiler Feeder and Indicator
Patent for an improvement automatic steam-boiler feeders which controls the feed pump and actuates an alarm whistle (lines 21-23).
Date:
November 8, 1892
Creator:
Newman, Prentice A.
System:
The Portal to Texas History