a tie-line telegraph 专线电报
The Pony Express lasted only eighteen months. It was no longer needed after a telegraph line was completed to San Francisco.
快马邮递一直持续了18个月,当第一条电报线路铺到旧金山后,就不再需要快马邮递了。
First telegraph company offices opens. Boston and New York first joined by a telegraph line. Birth of Alexander Graham Bell, Edinburgh, Scotland.
第一家电报局成立。波士顿和纽约第一次通过一根电报线联系起来。苏格兰爱丁堡人,亚历山大。格雷厄姆。贝尔出生。
The relationship between the two inventors led to a partially implemented scheme to install a telegraph line from the New York Merchant's Exchange to Sandy Hook, New Jersey.
基于这两位发明家之间的关系,他们部分实现了在纽约商品交易和新泽西的桑迪·胡克(Sandy Hook)之间架设电报线的计划。
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