File consists of material relating to activities of A.L. Breithaupt in his position as Chairman of the Berlin Light Commission. In 1909 he was called on by W.S. Dingman, Mayor of Stratford, to present information about the Berlin electric plant and street railway during a dispute over the proposed purchase of an electric plant for Stratford. Includes a letter from W.S. Dingman to A.L. Breithaupt, A.L.B.'s notes, typescript carbon notes and financial statements of the Berlin Light Commission and of the Berlin and Waterloo Street Railway, and clippings concerning the arbitration.