2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Gas Apparatus.
Patent for certain new and useful improvements in apparatus for manufacturing gas from air and hydrocarbon, including instructions and illustrations.
Date:
December 6, 1898
Creator:
Gearing, Charles M.
System:
The Portal to Texas History
Hydrocarbon-Burning Furnace.
Patent for certain new and useful improvements in hydrocarbon burning furnaces, including instructions and illustrations.
Date:
December 6, 1898
Creator:
Gearing, Charles M.
System:
The Portal to Texas History