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Combustion Apparatus (open access)

Combustion Apparatus

Patent for a combustion apparatus that will maximize the heat produced with any given amount of fuel.
Date: December 14, 1920
Creator: Anderson, Robert James
System: The Portal to Texas History
Dirigible Headlight (open access)

Dirigible Headlight

Patent for rotating combination lamp and spindle.
Date: February 6, 1917
Creator: Wogenstahl, Leo J.
System: The Portal to Texas History