The original Fleming's right-hand rule:

Hold the forefinger, the middle finger, and the thumb of the right hand, in such a position that they are as nearly as possible at right angles to each other (see Fig. 45.) Then make the following associations. Let the direction of the forefinger represent the direction of the magnetic flux (Fore and Flux). Let the direction of the thumb represent the direction of the motion of the conductor (ThuMb and Motion). Finally let the direction of the middle finger represent the direction of the induced electromotive force (MIddle and Induced).

The image is extracted from:

• J.A. Fleming, Magnets and electric currents, An elementary treatise for the use of electrical artisans and science teachers, 2nd edition, E. & F.N. Spon Limited, New York, 1902

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