Photo of Auxiliary Teleregister, 1930.
Black and White photo of the Auxiliary Teleregister in Private Office - Benjamin Block & Co. New York City. Image of office with desk and several ticker tape machines and quotation board.
Photo mounted on cardboard. Paper caption below photo.
Verso of photo reads "Benjamin Block & Co. / 50 Broadway / New York, N.Y. / 1930 / Private office / Auxiliary Teleregister / 6527-B".