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第 151 頁
The United Kingdom has now six- teen thousand miles of telegraph lines , with seventy - seven thousand miles of ... with their instruments and wires , about $ 750 per mile of telegraph line , or $ 150 per mile of wire .
The United Kingdom has now six- teen thousand miles of telegraph lines , with seventy - seven thousand miles of ... with their instruments and wires , about $ 750 per mile of telegraph line , or $ 150 per mile of wire .
第 154 頁
The capacity of the Belgian lines for transmitting telegrams is by no means exhausted . With the best instruments forty messages per hour may be sent easily on a single wire , and on the Bel- gian lines the average number of mes- sages ...
The capacity of the Belgian lines for transmitting telegrams is by no means exhausted . With the best instruments forty messages per hour may be sent easily on a single wire , and on the Bel- gian lines the average number of mes- sages ...
第 158 頁
When Morse established the first successful line of electric telegraph for commercial purposes , between the cap- ital ... While the income of British lines has increased to twen- ty - eight hundred thousand dollars , our American lines ...
When Morse established the first successful line of electric telegraph for commercial purposes , between the cap- ital ... While the income of British lines has increased to twen- ty - eight hundred thousand dollars , our American lines ...
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內容
Autobiography of a Shaker I II | 20 |
Hamlets of the Stage The I | 40 |
After Election J G Whittier | 50 |
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American appear asked beautiful become believe better body boys called cause character Christian church close comes common course England eyes face fact father feel followed girl give given half hand head heart Hope hour human hundred interest Italy keep kind lady land least leave less light lines live look means ment miles mind mountains nature nearly never night once passed perhaps person poor present question respect seemed seen side spirit stand tell thing thought thousand tion took town true turned whole woman women young