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Apparatus for Burning Fuel-Oil

Description: Patent for an oil burner for stoves and furnaces. Illustrations included.
Date: September 24, 1912
Creator: Kunkel, Albert R.
Partner: UNT Libraries Government Documents Department

Harrow or Cultivator

Description: Patent for a harrow or cultivator. Illustrations included.
Date: May 24, 1904
Creator: Cutter, Oliver C.
Partner: UNT Libraries Government Documents Department

Apparatus for Distilling Wood.

Description: Patent for improvements in wood distillers "wherein the liquids of the woods are extracted by subjection in a closed heated chamber or retort and carried by vaporization through the process of distillation to condensation" (lines 18-22).
Date: December 24, 1889
Creator: Spangler, Samuel H.
Partner: UNT Libraries Government Documents Department

Derailing Device.

Description: Patent for a derailing device to stop trains from colliding with one another by derailing the oncoming train.
Date: December 24, 1907
Creator: Clegg, William Owen
Partner: UNT Libraries Government Documents Department
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