electric telegraph उदाहरण वाक्य

उदाहरण वाक्य

1. He also worked on the development of the electric telegraph.
2. With the emergence of the electric telegraph, slowly the Chappe telegraph ended in 1852.
3. It was single line broad gauge throughout, with the electric telegraph installed throughout the line.
4. The electric telegraph, in addition to visual signaling, became a Signal Corps responsibility in 1867.
5. In September 1845 the financier John Lewis Ricardo and Cooke formed the Electric Telegraph Company.
6. In 1846, the government of France committed to a new system of electric telegraph lines.
7. The optical telegraph line was discontinued with the introduction of the electric telegraph line in 1852.
8. However, a description of Tawell was sent to London by electric telegraph and he was captured.
9. In England, the telegraph was connected to Whitehaven and the circuits of the Electric Telegraph Company.
10. His interest in the subject led him to make electrical inventions including an improved electric telegraph.