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| Keywords: Barlow's wheel.jpg Barlow's wheel an experimental electric motor designed by English mathematician Peter Barlow in 1822 It is a form of homopolar motor Electric current flows from the axle of the rotor through the points which dip into a trough of mercury and back to the battery The points are between the poles of the magnet which creates a transverse magnetic field The Lorentz force due to the moving charges in the magnetic field causes the wheel to rotate Max-kohl_0968 jpg 2010-09-14 12 20 UTC Max-kohl_0968 jpg Max Kohl A G Chemnitz i S derivative work Pieter Kuiper <span class signature-talk >talk</span> isolate one figure Max-kohl_0968 jpg PD-old Original upload log This image is a derivative work of the following images File Max-kohl_0968 jpg licensed with PD-old 2010-05-25T23 22 22Z Hgrobe 6650x4750 3494810 Bytes <nowiki></nowiki> Uploaded with derivativeFX Max Kohl AG L 50 III Homopolar motors Barlow's wheel | ||||
