13 Matching Results

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Steam-Engine

Description: Patent for a steam engine, improving on the original design so as to "provide a steam-engine having few parts so as to avoid the use of eccentrics, slide-valve, valve-rod, piston and connecting rods, stuffing-boxes, and glands, thus increasing the actual power by decreasing the friction" (lines 26-31).
Date: January 1, 1889
Creator: Harpst, Edgar S.
Partner: UNT Libraries Government Documents Department

Recording Door-Lock

Description: Patent for "a continuous-recording lock suitable for bonded warehouses, factories, stores, public buildings, offices &c., and by a slight modification applicable, also, for private residences" (lines 7-11).
Date: January 1, 1889
Creator: Ferguson, George J.
Partner: UNT Libraries Government Documents Department

Sleigh-Runner.

Description: Patent for a new adjustable sleigh runner designed to be easily applied and removed from wheeled vehicles, including illustrations.
Date: January 1, 1889
Creator: Lewis, Thomas E.
Partner: UNT Libraries Government Documents Department

Cultivator.

Description: Patent for a new and improved cultivator. This design "relates to that class of walking-cultivators or shovel-plows which are drawn by a single horse between two rows of plants, and which are frequently called 'double-shovel plows.' The leading object of the invention is to provide such a cultivator with two beams, each carrying a shovel, which beams are independently capable of vertical and lateral movements, whereby the operator can guide or lift the beams and shovels to avoid plants or obsta… more
Date: January 1, 1889
Creator: Jones, Fred B.
Partner: UNT Libraries Government Documents Department
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