nd set above the pail was an ordinary funnel supply- Halske telegraph works, in Berlin, and is mainly intended water from old wells. In an analysis of the water coming ing the bottom to a bushel box filled with fine sand. This for the production of the electric light. from some nine wells in… … PORTABLE MAGNETO-ELECTRIC MACHINE. sure was sufficient to move the lever, a string unloosed the in excess. In tracing the effects of these. waters, it was wire wound upon a metal drum, by causing the latter to funnel, and the balance of the sand, dropping suddenly into found in almost all cases…
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