Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 837
of a rack and pinionmotion, c. The two char-coals being placed in con-tact, the current passes,and their ends soon be-come incandescent. Ifthey are then removed toa distance of about thetenth of an inch, accord-ing to the strength of thecurrent, a luininous arcextends between the twopoints, which… … 8i2 Dynamical Electricity. [833- arranged in six series of loo each, provided the positive pole is uppermost,as represented in the figure ; if it is undermost, the arc is about one-thirdshorter. In a partial vacuum the distance of the charcoals may be greaterthan in air ; in fact, as the…
Physics
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