DS signed 'Thos. A. Edison,' one page, 8.5 x 9.5, Laboratory of Thomas A. Edison letterhead, October 1, 1915. An agreement to sell 1000 pounds of Aniline oil per month to the Racine Rubber Company at 60 cents per pound. In very good condition, with light irregular toning to the left edge, several pin holes to the upper left hand corner, some minor fold separations and a trimmed bottom edge. RRAuction COA.