Telegraph. Operating data from monthly reports of telegraph carriers, compilations, stibject to revision, from reports of revenues and expenses of telegraph, cable, and radiotelegraph carriers, each having annual operating revenues of $50,000 or more, Dec. 1936 and 1935 [and 12 months ended with Dec. 1936 and 1935, with Summary of monthly reports of large telephone carriers relative to available data concerning telegraph operations, compilations, subject to revision, from reports of revenues of 26 Bell System carriers, Dec. 1936 and 1935; prepared in] Accounting, Statistical, and Tariff Dept.

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