This folder contains correspondence from Edison to Frank A. Hanaford, his partner in his stock reporting business in Boston. Also included is an agreement with Ebenezer Baker Welch, a commission merchant who provided Edison with funds to experiment with fire alarm telegraphs, dial telegraph instruments, and a new form of double transmitter during his year in Boston. In addition, there is a photocopy of a one-page advertisement by Pope, Edison & Co. This New York City company was formed by Edison, Franklin Pope, and James Ashley in the fall of 1869 to lease private telegraph lines to businessmen.
All of the documents have been selected. Courtesy of Thomas Edison National Historical Park.