Switch Cord Plug (open access)

Switch Cord Plug

Patent for a switch cord plug that can be adapted to cords and used with telephone switchboards. Illustrations included.
Date: April 28, 1908
Creator: Smith, Eugene Lamar
System: The Portal to Texas History
Sanding Machine (open access)

Sanding Machine

Patent for a sanding machine. This invention is designed to apply sand to freshly painted surfaces. The sanding machine consists of a sandbox that communicates with a spraying nozzle. Illustration included.
Date: April 21, 1908
Creator: Mullikin, Ellie Hugh
System: The Portal to Texas History
Mold-Plate for Concrete Construction. (open access)

Mold-Plate for Concrete Construction.

Patent for a mold plate for building concrete walls, which can be moved and reused after each section of wall is built.
Date: April 7, 1908
Creator: Kemper, Ernest G.
System: The Portal to Texas History
Baling-Press (open access)

Baling-Press

Patent for a baling press for hay which is more efficient at compressing the hay than previous machines.
Date: April 7, 1908
Creator: Stopple, John J.
System: The Portal to Texas History
Cotton-Chopper (open access)

Cotton-Chopper

Patent for a cotton chopper. Illustrations included.
Date: April 21, 1908
Creator: Barnett, James Samuel
System: The Portal to Texas History