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Printing by Lithography

Description: Patent for improvements in lithography printing that further help reproduce worn or difficult engravings, as well as transfer and make impressions into engravings with slight loss of effect, while also providing a means in which the engraving or stone can be prepared expeditiously and inexpensively. (lines 10-25)
Date: March 2, 1915
Creator: Ray, James
Partner: UNT Libraries Government Documents Department

Cotton Chopper and Cultivator.

Description: Patent for improvement in cotton chopper and cultivator in “which the cultivator-blades may be readily adjusted to cultivator-blades may be readily adjusted to any desired distance from the row of plants that is being operated upon, and in which the number of chopping-hoes may be increased or diminished, so as to regulate the distance between the stands of cotton or the extent of each stand.” (Lines 13-19) Illustration is included.
Date: March 24, 1903
Creator: McAda, James Newton
Partner: UNT Libraries Government Documents Department

Automatic Fire-Alarm.

Description: Patent for the automatic fire alarm system relates to a fusing wire that reacts to any heat or fire by closing circuit inside of the battery resulting in sounding off the alarm, and thus, improving the fire-alarm system structure.
Date: March 15, 1904
Creator: Fred, Mason K.
Partner: UNT Libraries Government Documents Department
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