Question

who invented signal towers​

Answer 1

Explanation:

William Alexander, also known as Lord Stirling of Basking Ridge, New Jersey he is the one credited with designing the famed “Continental Army Beacons” to signal across two states that the British were on the move.

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Answer 2

Answer:

$\huge{{{\pink{\mathcal{Dr. \:Martin\:Cooper}}}}}$

invented signal towers.