November 4, 1849. E.B. Cornell to Ezra Cornell discussing the potential of the Cincinnati, Wheeling, & Pittsburgh line and his view of Speed's switch as an important improvement in telegraph operations. November 15, 1849. Letters of condolence from H.C. Buell and W.W. Marks to Alonzo B. Cornell on the death of his sister Elizabeth. November 24, 1849. Phebe Wood to Ezra Cornell, expressing sympathy on Elizabeth's death and discussing the success of women telegraph operators: "John writes me that Jane intends going to learn the tailors trade but I think she would do better to learn to telegraph. I hear that they employ ladies in ops east." Topics: Telegraph business correspondence: materials and supplies, Erie & Michigan line, Cleveland & Cincinnati line; Ohio lines; death of Elizabeth Cornell. Personal names: Jackson, G.J.; Beebe, Jeremiah S.; Cornell, E.B.; Speed, J.J.; Cornell, Alonzo B.; Bristol, John S.; Cornell, Elizabeth; Wood, Phebe Geography: Ithaca, N.Y.; Cleveland; Albion