Resource Type

States

Flue Scraper (open access)

Flue Scraper

Patent for a new and improved boiler tube scraper which will allow for easier insertion and removal, including illustrations and instructions.
Date: April 8, 1913
Creator: Lorenz, William Adam
System: The Portal to Texas History
Cactus Burner. (open access)

Cactus Burner.

Patent for a cactus burner that burns spines off of cacti using a liquid fuel burner. Document explains the different parts of the cactus burner and why it is an improvement over current ones in use.
Date: April 15, 1913
Creator: Ploch, Alex
System: The Portal to Texas History