A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 125
dian. The vertical circle is thenmoved over the horizontal circle 90 degrees, inwhich position it is in the plane of the magneticmeridian, when the true angle of the dip is read off. For an explanation of the reason of this see Component, Horizontal and Vertical, of theEarths Magnetism. Compass,… … Fig. 163. Points of Compass. The position of the remaining points willreadily seen by an inspection of the figures.These points are as follows: be I. North. 17. South. 2. N. by E. 18. S. by W. 3. N. N. E. 19. S. S. W. 4. N. E. by N. 20. S. W. by S. 5. N. E. 21. S. W. 6. N. E. by E. 22. S. W. by W.…
Electricity · Electrical engineering
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