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Burglar-Alarm.

Description: Patent for a burglar-alarms by constructing “an alarm which would adapted and arranged to sound and to be operated at and by the raising of the window or opening of the door, and simultaneous with the sounding of the alarm to produce an illumination.” (Lines 10-15) Illustration is included.
Date: April 14, 1891
Creator: Canterbury, Crawford R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for improvement in car-couplings by using many separate parts to work together to connect cars; and it can be operated without the operator going between the cars. Illustration is included.
Date: October 6, 1891
Creator: Goss, Wilson Lumpkin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Speed-Gearing.

Description: Patent for improvements in “gearing mechanism in which the speed or rotation of a drum or wheel is greatly increased through the intervention of gearing-wheels mounted upon a single shaft.” (Lines 11-14) Illustration is included.
Date: March 1, 1898
Creator: Scofield, John R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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