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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
Fire-Spreading Device
Patent for a portable weapon to spread fire quickly from object to object or building to building in enemy country.
Date:
February 18, 1919
Creator:
Ford, Frederick William
System:
The Portal to Texas History
Hose-Coupling.
Patent for certain new and useful improvements in hose couplings, including instructions and illustrations.
Date:
April 18, 1899
Creator:
McCrory, John Alexander
System:
The Portal to Texas History