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Force-Pump.

Description: Patent for a simple, inexpensive, and efficient double action force pump that has one cylinder and one plunger. It also equalizes the opposite strokes of the plunger, and pushes water into the common chamber with both strokes.
Date: October 2, 1894
Creator: Thompson, John W.
Item Type: Refine your search to only Patent

Wire Stretching and Tying Device.

Description: Patent for a "device capable of enabling the wires of a fence after the latter has been erected or during the construction thereof to be readily tightening to the desired tension without necessitating the removal of staples or other devices for fastening the fence-wires to the posts." (Lines 12-18) Includes instructions and illustrations.
Date: March 2, 1897
Creator: Kirby, Thomas W.
Item Type: Refine your search to only Patent
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