UNT Libraries Government Documents Department - 6 Matching Results

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Rotary Drill
Patent for Rotary Drill
Rotary Drill
Patent for Rotary Drill
Oil Burner
Patent for an oil burner
Col. William N. Selig: The Man Who Invented Hollywood
A book about Col. William N. Selig's career as an early cinematic pioneer and movie director and founder of the film industry that became Hollywood in Los Angeles.
Apparatus for Transmitting Sound-Waves
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.
Coach-Equalizing Suspender.
Patent for a coach-equalizing suspender.
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