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Oil Burner

Description: Patent for an oil burner
Date: April 15, 1913
Creator: Casad, Roland C.
Partner: UNT Libraries Government Documents Department

Coach-Equalizing Suspender.

Description: Patent for a coach-equalizing suspender.
Date: March 4, 1902
Creator: Best, William Newton
Partner: UNT Libraries Government Documents Department

Apparatus for Transmitting Sound-Waves

Description: Patent for transmitting sound waves by magnetic induction and to "furnish an apparatus by which these different vibrations can be heard at the receiving end" (lines 20-22). Includes descriptions and illustrations.
Date: October 17, 1911
Creator: Harvey, Fred Brown
Partner: UNT Libraries Government Documents Department