Resource Type

States

Hot Box Cooler dated November 12, 1918 (open access)

Hot Box Cooler dated November 12, 1918

Patent for the implementation of improvements to hot box coolers. This will assist in the cooling of hot bearings in railway cars.
Date: November 12, 1918
Creator: Edward W. Hartough
System: The Portal to Texas History
Vulcanizing Apparatus (open access)

Vulcanizing Apparatus

Patent for an apparatus used during the process of retreading tires that updates the manufacture of rubber tire patches.
Date: July 12, 1918
Creator: Rasor, James, E.
System: The Portal to Texas History
Cotton-Chopper. (open access)

Cotton-Chopper.

Patent for a cotton chopper with an adjustable swinging arm.
Date: April 12, 1910
Creator: Lang, Leo Albert
System: The Portal to Texas History
Conductor's Train-Book (open access)

Conductor's Train-Book

Patent for a conductor's train-book. This invention if for a conductor to log train movements. Illustration included.
Date: April 12, 1910
Creator: Crane, James C. A.
System: The Portal to Texas History