Rutgers, The State University of New Jersey
Edison Phonoplex System
-- Circulars and Brochures
Tate, Alfred Ord
) Sales and service; Phonoplex and railroad telegraphy
[CA012] Primary Printed Series -- Other Companies: Edison Phonoplex System (ca. 1886)
[CA012A; TAEM 96:499]
Courtesy of Thomas Edison National Historical Park.