Official Statistics of the Telegraphs in Europe for the year 1866 7

Statistics of the Western Union Telegraph Company, of the United

States, and of the Montreal Telegraph Company, Dominion of

Canada, for the year ending June 30, 1867 7

The asserted Union of the Postal and Telegraph Systems in Europe

an Error 8

The proposed union of the telegraph and postal systems Statement of the Western Union Telegraph Company · 第 11 / 223 题