October 20, 1849. D.T. Tillotson to Ezra Cornell reporting on survey of Chenango Valley. October 20, 1849. E.D Benedict to operators connected with Cleveland and Pittsburgh line detailing a "system of doing business in regular order, and promptly, at the same time giving each and every office a fair and equal chance." October 27, 1849. J.J. Speed to Ezra Cornell describing continued experiments with his switch. October 29, 1849. Ezra Cornell to D.T. Tillotson discussing Ithaca area lines (Waterloo and Elmira), operations of House line and Bain telegraph lines in the east, and the business of the New-York & Erie line. Topics: Telegraph business correspondence: Cleveland & Cincinnati line, finances, materials and supplies (brimstone insulators), Wisconsin lines, New-York & Erie line. Personal names: Tillotson, D.T.; Benedict, E.D.; Speed, J.J.; Hotchkiss, S.W.; Smith, F.O.J.; Jackson, G.J. Geography: Ithaca, N.Y.; Zanesville, Ohio; Milwaukee; New York City