A circular letter to the corresponding societies, in Great Britain . Containing The cat let out of the bag: or, the perpetual motion discovered, and its uses displayed. By a real friend, Philo-kinesis.

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Philo-kinesis.

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A circular letter to the corresponding societies, in Great Britain . Containing The cat let out of the bag: or, the perpetual motion discovered, and its uses displayed. By a real friend, Philo-kinesis.