Compound Tool (open access)

Compound Tool

Patent for a compound tool. This invention consists of multiple tools in one. Illustration included.
Date: April 26, 1904
Creator: Highsmith, Aubrey O.
System: The Portal to Texas History
Vacuum-Pan (open access)

Vacuum-Pan

Patent for "vacuum-pan having improved heating-sections and an improved form of discharge-chamber" [lines 9-11].
Date: April 8, 1902
Creator: Ribaud, George Louis
System: The Portal to Texas History
Plow Attachment. (open access)

Plow Attachment.

Patent for a plow attachment for turning the subsoil while the main plow opens the furrow that can be adjusted to any depth desired and attached to all types of plows.
Date: April 30, 1907
Creator: Tunnell, Wilson B.
System: The Portal to Texas History
Salt Making Apparatus. (open access)

Salt Making Apparatus.

Patent for an apparatus to improve salt-making.
Date: April 3, 1900
Creator: Wilderspin, Anderson
System: The Portal to Texas History
Baling Press (open access)

Baling Press

Patent for a baling press. Illustration included.
Date: April 11, 1905
Creator: Darnell, David E.
System: The Portal to Texas History