Ben Franklin Asst Manager Patent 08: Pythagorean Switcher – AP US History

Franklin later miniaturized the machine, and with a few modifications, used it to catch mice.

Ben Franklin Asst Manager Patent 08: Pythagorean Switcher

by admin on November 28, 2016 at 12:01 am

Chapter: Ben Franklin Asst Manager

└ Tags: Benjamin Franklin, RadioShack Manager

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