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Crude-Oil Burner. (open access)

Crude-Oil Burner.

Patent for an improved burner that is safe from the danger of exploding and can be made cheaply, including instructions and illustrations.
Date: August 7, 1917
Creator: Hudgens, John Albert
System: The Portal to Texas History
Railroad Tie (open access)

Railroad Tie

Patent for a type of support for the rails in railroad tracks.
Date: August 7, 1916
Creator: Huffman, Henry W.
System: The Portal to Texas History