Convertible Neck Yoke and Swingletree (open access)

Convertible Neck Yoke and Swingletree

Patent for a convertible neck yoke and swingletree. Illustration included.
Date: May 24, 1904
Creator: Hall, Thomas I.
System: The Portal to Texas History
Mud-Drum for Boilers (open access)

Mud-Drum for Boilers

Patent for a mud drum for boilers to prevent the accumulation of sediment and mud in the water. Illustrations included.
Date: May 19, 1908
Creator: Stroope, Joseph
System: The Portal to Texas History
Elevator (open access)

Elevator

Patent for an elevator.
Date: May 12, 1903
Creator: Ham, James T.
System: The Portal to Texas History
Baling Press (open access)

Baling Press

Patent for a baling press. Illustration included.
Date: May 3, 1904
Creator: Key, William C. & Frost, Harvey N.
System: The Portal to Texas History