 | Automobiles - 1910 - 454 pages
...thumb, the forefinger, and the middle finger of the right hand each at right angles to the other two; if the forefinger shows the direction of the lines of force and the thumb shows the direction of motion of conductor, the middle finger will show the direction of the... | |
 | C. I. Hoppough - Radio - 1912 - 264 pages
...thumb, forefinger and middle finger of the left hand at right angles to each other, as in Fig. 1. When the forefinger shows the direction of the lines of force and the middle finger the direction of the current upon the conductor, the thumb will show the direction of the motion given... | |
 | Automobiles - 1914 - 836 pages
...thumb, the forefinger, and the middle finger of the right hand each at right angles to the other two; if the forefinger shows the direction of the lines of force and the thumb shows the direction of motion of conductor, the middle finger will show the direction of the... | |
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The thumb, forefinger, and middle finger of the left hand are held at right angles to each other ; then if the forefinger shows the direction of the lines of force, and the middle finger the direction of the current, the thumb will show the direction... 
