artment are placed the high potential cylinders with their insulat- ing glass rods, and in addition an automatic device to prevent a short circuit through any leakage of the cooling water. This consists simply of a strip of filter paper stretched across a metal spring. If the filter paper gets… … izers and_ trans- source of the Taunus springs, and with this end in view the surface water from wells sunk in the plane formers; and 3, of the Rhine has been subjected to a special purifica- the room for the tion, which turns it from a water of inferior value, fit sterilizing towers. only for…
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