Prior to February, 1914, the Mexican government telegraph lines used an alphabet differing slightly from the American and Continental Morse. However, at that time, the Continental Morse alphabet was prescribed for use on these lines and it is believed that the use of the old alphabet has entirely ceased on Mexican lines. However, skilled American operators would have no difficulty in picking up this alphabet if it were found to be in use. Radio communication is, by International Convention, invariably in Continental Morse. Telegraph Alphabets Character American Morse Continental Morse or International Code A . - . - B - . . . - . . . C . . . - . - . D - . . - . . E . . F . - . . . - . G - - . - - . H . . . . . . . . I . . . . J - . - . . - - - K - . - - . - L -- . - . . M - - - - N - . - . O . . - - - P . . . . . . - - . Q . . - . - - . - R . . . . - . S . . . . . . T - - U . . - . . - V . . . - . . . - W . - - . - - X . - . . - . . - Y . . . . - . - - Z . . . . - - . . 1 . - - . . - - - - 2 . . - . . . . - - - 3 . . . - . . . . - - 4 . . . . - . . . . - 5 - - - . . . . . 6 . . . . . . - . . . . 7 - - . . - - . . . 8 - . . . . - - - . . 9 - . . - - - - - . 0 ---- - - - - - Period . . - - . . . - . - . - Question Mark - . . - . . . - - . . Comma . - . - - - . . - - The following example will show some of the errors that creep into messages prepared with the cipher disk and transmitted by radio: Message Radio Douglas de El Paso, 2 H 71, twenty-fifth, 9:00 a.m., Govt. To C.O., Sixth Brigade, Douglas, Arizona: