The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 1 [of 3] — Experiments, Observations, and Facts, tending to support the Opinion of the Utility of long pointed Rods, for securing B

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The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 1 [of 3] Volume 1 of 3 · Experiments, Observations, and Facts, tending to support the Opinion of the Utility of long pointed Rods, for securing B · ch 67/83

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