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Steam, Air, or Water Engine.

Description: Patent for simplifying the construction of steam-engines allowing them efficiently use the power of steam" gas, vapor or air in varying positions, vertical, horizontal, or inclined.
Date: May 9, 1882
Creator: Adams, James A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Composition For Roofing And Paving.

Description: Patent for a process "to produce a compound which is strong, tenacious, and pliable, which will not be affected by climatic changes, and which will resist the corrosive action of acids and alkalies; and to this end my invention consists in a compound composed of asphaltum, pine-tar, and oxide of iron, as will more fully hereinafter appear.” (Lines 8-15) Includes instructions.
Date: May 9, 1882
Creator: Lee, Archibald K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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