Resource Type

Reproducing Device for Graphophones. (open access)

Reproducing Device for Graphophones.

Patent for a reproducing device for graphophones improving the objects that transmit sound to the horn or like element and provide a new means to mount the tone arm. It further improves the means for mounting the needle on the device.
Date: April 22, 1919
Creator: Adams, Henry Rolland
System: The Portal to Texas History