Resource Type

Vibrator (open access)

Vibrator

Patent for a vibrator to be used for treating diseases and massage treatment.
Date: December 31, 1907
Creator: Swindell, John W.
System: The Portal to Texas History
Fence-Post. (open access)

Fence-Post.

Patent for improvements to fence post design in which a base is added to hold the post upright while keeping it above ground to prevent deterioration from soil with illustrations.
Date: July 31, 1900
Creator: Hammer, Willie Alice
System: The Portal to Texas History
Fluid Pressure Brake (open access)

Fluid Pressure Brake

Patent for a fluid pressure brake designed primarily for the railroad. This device is designed so the brakes will not engage prematurely before the fluid reservoir is recharged.
Date: December 31, 1901
Creator: McComas, Mark
System: The Portal to Texas History