Reproducing Device for Graphophones.
Description:
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
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department