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Automatic Fire and Burglar Alarm.
Patent for automatic fire and burglar alarm. A cord extends from the casing of the alarm mechanism to a window. The alarm is triggered either by weight of a window opening or the cord is burned by fire.
Date:
March 5, 1918
Creator:
Mann, Oscar O. & Whitley, William H.
System:
The Portal to Texas History
Boll-Weevil Exterminator.
Patent for Boll-Weevil Exterminator. Aims to provide a novel and improved apparatus for gathering the boll weevil and squares by air suction to catch insects and pests.
Date:
February 5, 1918
Creator:
Harrison, James H.; Hall, Samuel E. & Gholson, John M.
System:
The Portal to Texas History