4 Matching Results

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Automatic Fire and Burglar Alarm. (open access)

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. (open access)

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
Wire Stretcher (open access)

Wire Stretcher

Patent for a wire stretcher. Illustration inlcuded.
Date: April 5, 1904
Creator: Montgomery, John W.
System: The Portal to Texas History
Low-Pressure Tire-Signal. (open access)

Low-Pressure Tire-Signal.

Patent for a device that attaches to the valve of an automobile tire and creates a warning noise if the tire pressure is too low. Includes instructions and illustrations.
Date: December 5, 1911
Creator: Collins, Joseph M.
System: The Portal to Texas History