Patent #1846055
.New Movie Reel Records Sounds for Talkies
ONE surface of this new movie reel records pictures and the other sound waves. It is the latest invention of Frederick W. Hochstetter, Pittsburgh, Pa., and is expected to be of great aid in the further development of the “talkies.”
Material composing the reel consists of fabric which has been made fireproof. It is photographically light sensitive with special emulsions of great reflecting qualities.



























