1882: Patent rat exterminator
To all whom it may concern –
Be it known that I, JAS. ALEXANDER WILLIAMS, 0f Fredonia, in the county of San Saba and State of Texas, have invented certain new and useful Improvements in Animal Traps; and 1 do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use it, reference being had to the accompanying drawing, which forms part of this specification.
My invention relates to an improvement in animal-traps; and it consists in the combination of a suitable frame upon which a revolver or pistol is secured, a treadle which is secured to the front end of this frame, and a suitable spring and levers, by which the fire arm is discharged when the animal steps upon the treadle.
The object of my invention is to provide a means by which animals which burrow in the ground can be destroyed, and which trap will give an alarm each time that it goes off, so that it can be reset.
The accompanying drawing represents the side elevation of my invention complete.
This invention may also be used in connection with a door or window, so as to kill any person or thing opening the door or window to which it is attached.
I am aware that burglar-alarms of various kinds have been used, and which have been connected to windows and doors in such a manner that the’opening of the window or door causes a pressure upon a lever which discharges a fire-arm; but in no case have the parts been arranged and combined as here shown and described.