Who invented the anemometer?

Leon Battista

In 1450, the Italian art architect Leon Battista Alberti invented the first mechanical anemometer; in 1664 it was re-invented by Robert Hooke (who is often mistakenly considered the inventor of the first anemometer).

a population change of 12.1%

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albany plan of union, 1754. the albany plan of union was a plan to place the british north american colonies under a more centralized government