Edison, Thomas. (1847–1931) Typed Letter Signed1 page, on letterhead "From the Laboratory of Thomas A. Edison." June 16, 1891. Addressed to A. Verne of the Continentale Edison in Paris, France. In full: "My dear Verne, This will serve to introduce Mr. J. C. Henderson, Engineer in Chief of the Edison General Electric Company, who goes abroad for a few weeks' rest. Mr. Henderson will be very much interested in anything you can show him in connection with electric lighting or kindred interests in