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Hoisting Apparatus.

Description: Patent for improvements in hoisting apparatus by “employing two cables and two sheaves that one cable and one sheave operate to elevate the weight or object in an approximately-vertical plane, so as to avoid contact with any side obstruction, while the secondary cable can subsequently be slackened sufficiently to permit the traveling sheave of the hoisting-cable to run off in a lateral direction and carry with it the sheave of the slackened secondary cable, for the purpose of transferring the o… more
Date: March 22, 1892
Creator: Davis, Benjamin F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Feed-Water Heating and Purifying Apparatus.

Description: Patent for improvements in feed-water heating and purifying apparatus by “utilizing the heat of exhaust-steam from locomotive-cylinders, and the waste heat from the products of combustion in the combustion-chamber; or smoke-arch for heating and purifying the feed-water in transit to the locomotive-boiler.” (Lines 11-16) Illustration is included.
Date: March 22, 1892
Creator: McCallum, Daniel W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for "a plow especially adapted to be used in turning the well-known black or stiff lands in the Western States," (lines 8-10) with instructions and illustrations.
Date: March 22, 1892
Creator: Hill, David J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Harrow.

Description: Patent for improvements in harrows, "so that any farmer who possesses a Georgia stock or ordinary plow-beam with its attached handles can purchase one of [these] improved harrows per se and without the exercise of any special mechanical knowledge or experience apply the harrow device or contrivance to the beam of such ordinary plow stock." (Lines 40-47) Includes instructions and illustrations.
Date: March 22, 1892
Creator: Flatau, Louis S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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