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Automatic Damper
Patent for "an attachment for stove-dampers whereby said dampers will be automatically moved, in order that the fire may be maintained at a predetermined heat" (lines 9-13).
Date:
January 31, 1888
Creator:
Beauchamp, William A. J.
System:
The Portal to Texas History
Thermostatic Signal
Patent for Thermostatic Signal. "The object of my invention is to provide a device whereby an alarm will be automatically sounded when the temperature of the drier has reached too high a point." (lines 13-16). With Illustrations.
Date:
September 18, 1888
Creator:
Lutcher, Henry J.
System:
The Portal to Texas History