Points of divergence concerning the invention and development of telegraph devices. All POD entries are sorted as chronologically as possible.

Plausibility check: Earliest telegraph

Roman Semaphore Lines and Horse Drawn Cars

Optical telegraph in 15th century Central Europe ?

WI: Optical Telegraph in 1684

Would lesser use of the optical telegraph in the Napoleonic Wars affect the development of information technology ?

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The earliest an electrical telegraph can be invented ?

Can the electric telegraph be invented before artillery/firearms ?

WI: Benjamin Franklin invented the telegraph

A working transatlantic telegraph cable in 1858....hurrah !

Plausibility check: Harmonic telegraph instead of the telephone

Challenge: A telegraph in every home

Challenge: Keep the telegraph relevant

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WI a wireless telegraph was invented/build in 1855 ?

WI Edison invents the wireless telegraph ?

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Points of Divergence : Printing Press

Points of Divergence : Telephone

Scientific Discoveries and Inventions PODs Main Directory

Points of Divergence Main Directory