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Improvements in Oil-Burners
Patent for improvements to oil-burners. The text contains a description of the unique improvements and is accompanied by explanatory illustrations.
Date:
August 21, 1917
Creator:
Harrington, Edward A
System:
The Portal to Texas History
Means for Preventing Clogging of the Working Barrels of Pumps.
Patent for an apparatus that prevents the clogging of the working barrels of pumps.
Date:
November 13, 1917
Creator:
Carmichael, Robert E.
System:
The Portal to Texas History