Harmsworth, Alfred Charles William, Sir, bart · London Bombay : Longmans, Green, and Co. · leaf 204
Fig. 2 turned from right to left through an angle of 45°, and the twosegments, so to speak, magnetically short circuit the twosides of the armature, so that no lines of force passthrough the core of the armature. Therefore a decreaseof the lines of force from maximum to nil has taken place, anda…
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