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Flue-Cleaner.

Description: Patent for a portable flue cleaner for boilers. Through a nozzle on the cleaner, the flue cleaner uses the steam from the boiler to remove dirt, dust and soot. The dirt is forced out of the boiler when the steam escapes.
Date: August 17, 1915
Creator: Leonard, Carl
Partner: UNT Libraries Government Documents Department

Cultivator Attachment

Description: Patent for altering the regulating the depth of insertion into the ground, without the need of operators alighting from seat of cultivator.
Date: June 20, 1916
Creator: Parker, Andy F.
Partner: UNT Libraries Government Documents Department

Collapsible Box.

Description: Patent for collapsible box which uses hinges to strengthen the box and to allow the box to be collapsed easily for easy storage.
Date: April 20, 1915
Creator: Smith, James A.
Partner: UNT Libraries Government Documents Department

Crude-Oil Burner

Description: Patent for a crude oil burner for furnaces and ranges. Illustrations included.
Date: August 1, 1911
Creator: Reed, Robert
Partner: UNT Libraries Government Documents Department
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