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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

Automatic Stop Device for Printing-Presses.

Description: Patent for improvements to safety devices (springs, belt shift levers, guide members, rock shafts) that can be attached to a printing press to create automatic stops. These safety devices can be used to address possible accidents or emergencies by fastening down on a specific section of a printing press.
Date: March 2, 1915
Creator: Brown, John Walter R. & Otey, George S.
Partner: UNT Libraries Government Documents Department
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