electric telegraph मीनिंग इन हिंदी

उदाहरण वाक्य

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