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in subjects: "Landscape and Nature - Natural Disasters - Fires"  
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Alarm System

Description: Patent for a fire alarm system which activates when a certain temperature is detected by the device.
Date: May 25, 1909
Creator: Giese, Leo
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Fire-Alarm.

Description: Patent for the automatic fire alarm system relates to a fusing wire that reacts to any heat or fire by closing circuit inside of the battery resulting in sounding off the alarm, and thus, improving the fire-alarm system structure.
Date: March 15, 1904
Creator: Fred, Mason K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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