Alright, now it's time to see how much you have learned:

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Please check one answer per question.

1. Who patented the two-needle electric telegraph with Charles Wheatstone?

Edward Davy Richard Trevithick William Fothergill Cooke

2. In what year did the first experimental telegraph line connect the Euston square and Camden Town rail stations?

1828 1837 1832

3. How do you express S.O.S., the universal signal of distress, in Morse Code?

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