06/01/1871 Calahan, Edward A, Andrews, Elisha Whittelsey, Field, George Baker and Camp, William Augustus -- Agreements and Contracts
(Exchange Telegraph Co Ltd; Gold and Stock Telegraph Co; Lake, William Robert; Edison, Thomas Alva) International business operations; Management (companies and organizations); Patent assignments, licenses, and royalties; Stock ticker, universal printer, and other printing telegraphs [Cover Document and Attachment]
[X111]  New-York Historical Society, New York, N.Y.: Lefferts Papers
[X111AG1; TAEM 0:0]
Courtesy of The New-York Historical Society.