Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 329
a Leyden jar ofenormous capacity, of which the conducting sea-water is theouter coat. The effect of contact with the battery terminal isto bring the core of the cable to a potential which near thebattery, nearly equals the potential of the battery terminal.This can only be done by charging the… … Fig. 203. The effect can be illustrated by the apparatus of Fig. 203which consists of a coil of cotton-covered wire, 20 or 30 yardslong, and about a tenth of an inch in diameter, coiled into asolid coil, and afterwards dipped in melted paraffin to perfectinsulation. This represents the cable, and…
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-497-202.webp)
