Automobile Torpedo (open access)

Automobile Torpedo

Patent for a submarine torpedo which explodes in the hull of a vessels it hits.
Date: July 18, 1911
Creator: Douglas, William M.
System: The Portal to Texas History
Carbureter. (open access)

Carbureter.

Patent for a new and improved carburetor. This design calls for "the apparatus [to be] submerged in water for the purpose of equalizing the temperature of the carbureting-liquid, and thereby imparting a more uniform illuminating quality to the gas; also obviating the danger of explosion from access of flame to the exterior of the apparatus" (para. 2).
Date: July 18, 1876
Creator: Pollard, James M. & Barton, Wallace R.
System: The Portal to Texas History
Improvement in Tube-Expanders. (open access)

Improvement in Tube-Expanders.

Patent for improvements to tube expanders with springs rigidly secured at one end, detachable rolls, and the ability to fit tubes of different sizes.
Date: July 18, 1876
Creator: Rooney, Hugh L
System: The Portal to Texas History
Self-Oiling Handsaw. (open access)

Self-Oiling Handsaw.

Patent for invention of a handsaw which is an improvement of current version. This is simple, low cost and convenient handsaw and is operated easily without removing the grip.
Date: July 18, 1916
Creator: Pearson, Robert Bartley
System: The Portal to Texas History
Acetylene-Gas Generator. (open access)

Acetylene-Gas Generator.

Patent for a new and useful acetylene gas generator, including instructions and illustrations.
Date: July 18, 1899
Creator: Eldridge, Hilliary & Blum, Sylvain
System: The Portal to Texas History