Circulars, from December 20, 1878 to May 23, 1879

Picryl description: Public domain document related to trials and litigations, free to use, no copyright restrictions image.

telephone patents trials litigation etc national bell telephone company invention bell telephone company equipment and supplies correspondence alexander graham bell family papers 1834 1974 subject file alexander graham bell family papers at the library of congress american memory alexander graham bell elisha gray theodore n vail high resolution manuscripts ultra high resolution

01/01/1878

Library of Congress

https://www.loc.gov/

Public Domain