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Improvements in Oil-Burners (open access)

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
Improvement in Soldering-Irons (open access)

Improvement in Soldering-Irons

Patent for a new and improved soldering iron, which only gives off so much heat from one end and not the other. This patent of the soldering iron a safer tool to work with.
Date: March 21, 1877
Creator: Stevens, Hennell
System: The Portal to Texas History