Boiler Attachment (open access)

Boiler Attachment

Patent for improvements in boiler attachments, to produce a thermostatic device of simple and improved construction which may be utilized for the purpose of actuating a valve governing the steam supply to the pump or the injector.
Date: June 28, 1913
Creator: Priester, Joel Ellis
System: The Portal to Texas History
Windmill (open access)

Windmill

Patent for Windmill Improvements that includes a mounted rotor for horizontal rotation, including illustrations.
Date: June 28, 1913
Creator: Henning, Thomas W.
System: The Portal to Texas History