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Water Craft.

Description: Patent for a "bathing float equipped with propelling means" (lines 10-11) and a "depressible platform combined with ... a diving rudder" to allow the front part of the craft to dive underneath the water (lines 13-15).
Date: April 27, 1915
Creator: Caldwell, John C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Manufacture of Aluminum Chlorid

Description: Patent for method of making aluminum chlorid, where a form of hydrated alumina is combined with coking coal, and then exposed to heat and chlorin/chlorin containing gas.
Date: February 27, 1917
Creator: McAfee, Almer M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Purifying Oils

Description: Patent that converts low grade petroleum into higher grade petroleum. The process warms aluminum chlorid with petroleum material in a nonviolent way to make a purifying oil.
Date: August 27, 1918
Creator: McAfee, Almer M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Tank.

Description: Patent for oil tank top to prevent destruction of inflammable substance in the tank by enabling the gas to escape in a simple and effective manner.
Date: June 27, 1916
Creator: Bradley, Benjamin Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plunger.

Description: Patent for a plunger for use in pumps and air compressors that fits tightly into the cylinders of the machine.
Date: February 27, 1912
Creator: Ohmstede, August
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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