electric telegraph वाक्य
"electric telegraph" हिंदी में electric telegraph in a sentenceउदाहरण वाक्य
- It was reportedly the world's last existing true electric telegraph system.
- In March 1855 the Great Orme telegraph station was converted to electric telegraph.
- The newly invented electric telegraph was swiftly introduced to the railways.
- The line was fully signalled with electric telegraph and staff and ticket working.
- Later, electric telegraphs were installed but the bell provided local alarms.
- The visual system was replaced by an electric telegraph later in the century.
- In the 1840s he experimented with both visual and electric telegraphs.
- Purchase the patents for the electric telegraph designed by Cooke and Wheatstone British patents.
- He installed electric telegraph along the banks of the canal.
- He was knighted for creating the first working electric telegraph.
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