Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 624
602 AMERICAN TELEPHONE PRACTICE. held safe from mechanical injury. The second reason is that ex-periment has shown that the incasing of a fuse in a tube, whether itis hermetically sealed or not, tends to prevent the arcing of a heavycurrent across the terminals after the fuse has blown. In case… … FIG. 432.—FUSE AND CARBON ARRESTER AS APPLIED TO MAGNETO TELEPHONE heat and gas that is formed, tends in passing through the opening,to blow whatever arc is formed. The method of clamping the wire at each end of the fuse, shownin Fig. 433, is obvious, one end of the line wire being clamped be-tween…
Telephone
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