Automatic Valve (open access)

Automatic Valve

Patent for an automatic valve, "designed to automatically control the water-supply to a suitable reservoir through the operation of a float (lines 9-11), with illustrations.
Date: April 25, 1905
Creator: Pinkerton, Henry S.
System: The Portal to Texas History
Panorama-Camera. (open access)

Panorama-Camera.

Patent for a panorama camera to adjust or remove the film without exposing it, including illustrations.
Date: May 16, 1905
Creator: Baker, Franklin James
System: The Portal to Texas History