Answer :

njmitchell2

Answer:

Galileo conceived of an isochronous pendulum clock in 1637,but never went on to complete it.In 1656,fourteen years after galileo's death,christiaan huygens used a pendulum for a weight-driven clock with a crown wheel escapement,thereby inventing the first pendulum clock.

Explanation:

keenank242

Answer:

Christiaan Huygens

Explanation:

Galileo invented the pendulum clock in 1637 but never finished it so Christiaan Huygens finished his work and invented the clock theory

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