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Boiler Attachment

Description: 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
Partner: UNT Libraries Government Documents Department

Arc-Lamp

Description: Patent for an arc lamp which does not spark for use in headlights for trains and automobiles and in street lights.
Date: June 28, 1910
Creator: Anderson, Thomas J.
Partner: UNT Libraries Government Documents Department
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