Recent posts under tag telegraph

+1 vote

1 answer

Who invented the electric telegraph in the 1830?

posted Sep 6, 2019 by Ritika

• telegraph
• invention

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In 1850, the first experimental electric telegraph line in India was set up between Calcutta and which place ?

posted Aug 28, 2017 by Deepak Jangid

• india
• first
• telegraph