Submarine Telescope. (open access)

Submarine Telescope.

Patent for submarine telescope using a pair of longitudinal tubes, mounted lens, rigid rods, electric light bulb, and chains for securing to the boat. Intended as useful improvements to submarine telescopes with the objection to assist in locating submerged objects. Accompanied with illustrations.
Date: April 22, 1919
Creator: Armstrong, William S.
System: The Portal to Texas History
Adjustable Trunk-Rack (open access)

Adjustable Trunk-Rack

Patent for a trunk-rack that is adjustable and sturdy. The trunk-rack design indicates that the rack has wheels and adjustable components to accommodate various sized pieces of luggage.
Date: April 15, 1919
Creator: Wessinger, Lon Woodram
System: The Portal to Texas History
Battery Terminal (open access)

Battery Terminal

Patent for an adaptable battery terminal design.
Date: April 15, 1919
Creator: Luthy, J. O.
System: The Portal to Texas History
Door-Bolt. (open access)

Door-Bolt.

Patent for improvement in door bolts composing a device clamping a bolt to the bottom of the door.
Date: April 15, 1919
Creator: Yarberry, Roland L.
System: The Portal to Texas History
Condensing Apparatus (open access)

Condensing Apparatus

Patent for a condensing apparatus designed to be attached to linting machines.
Date: April 8, 1919
Creator: Martin, G. W.
System: The Portal to Texas History
Fuel Heater For Internal Combustion Engines (open access)

Fuel Heater For Internal Combustion Engines

Patent for a fuel heating system designed to be incorporated into combustion engines.
Date: April 1, 1919
Creator: Vaughan, E. A.
System: The Portal to Texas History