Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 60
Fig. ii. … Fig. lii. turned over in its stirrup, it will now lie as much to the one side ofmagnetic north and south as it before did to the other. Hence, the average position of the needle will give us the truedirection 7i in of its magnetic a.xis {see fig. iii.) D 34 ELECTRICITY CH. HI. So that if the…
Electricity
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