UNT Libraries Government Documents Department - 9 Matching Results

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Bedstead
Patent for a bedstead. Illustration included.
Composition Fuel
Patent for "a new and useful improvement in composition fuel, the object being to produce fuel in compact form which will burn quickly, rapidly generating an intense heat, and leaving but a small quantity of a residue or ash" (lines 10-15).
Desulfurizing Lima or Analogous Petroleum and Related Oils
Patent for an oil distillate to desulfurize petroleum found in Lima, Ohio. Illustrations included.
Engraving-machine.
Patent for improvements to an engraving machine. Illustrations included.
Jack.
Patent for a jack for lifting heavy loads on railroads, which has an automatic steady movement of the load up and down without adjusting the jack settings.
Needle for Graphophones and the Like.
Patent for a gramophone needle that produces better sound due to allowing for vibrations and can be used longer by producing a a sharpened point on one side while playing that can be used the next time by turning over the needle.
Opera-Chair.
Patent for opera chairs that can be used in audience halls. It is mentioned as seats that are rotatable with foldable arms providing enough space for the exit.
Process of Desulfurizing Oil or Distillate
Patent for a process of desulfurizing oil or distillate.
Pyrotechnic Device.
Patent for a firework called a crazy cracker, which prevents accidental ignition from friction by covering the firework in a wood pulp covering.
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