Scope and Content of the Collection From the Record Group: Reports are from Engineers William O. Webber, Phillip Wallis, F.W. Sargen, C.H. Quereau, J.A. Carney M.H. Wickhorst, and others; as well as from Chemists E.A. McCulloch, Walter Lee Brown, and George H. Ellis. Reports were made to Purchasing Agents C.M. Higginson from 1876-1879; Wm. Irving, 1879-; George B. Harris, 1882; G.W. Rhoades, Superintendent, 1885-1886, and various others. Reports include quality of oil, and its efficacy on the brake surfaces, testing of kerosene and other chemicals,...

Scope and Content of the Collection From the Record Group: Reports are from Engineers William O. Webber, Phillip Wallis, F.W. Sargen, C.H. Quereau, J.A. Carney M.H. Wickhorst, and others; as well as from Chemists E.A. McCulloch, Walter Lee Brown, and George H. Ellis. Reports were made to Purchasing Agents C.M. Higginson from 1876-1879; Wm. Irving, 1879-; George B. Harris, 1882; G.W. Rhoades, Superintendent, 1885-1886, and various others. Reports include quality of oil, and its efficacy on the brake surfaces, testing of kerosene and other chemicals,...

Scope and Content of the Collection From the Record Group: Reports are from Engineers William O. Webber, Phillip Wallis, F.W. Sargen, C.H. Quereau, J.A. Carney M.H. Wickhorst, and others; as well as from Chemists E.A. McCulloch, Walter Lee Brown, and George H. Ellis. Reports were made to Purchasing Agents C.M. Higginson from 1876-1879; Wm. Irving, 1879-; George B. Harris, 1882; G.W. Rhoades, Superintendent, 1885-1886, and various others. Reports include quality of oil, and its efficacy on the brake surfaces, testing of kerosene and other chemicals,...