ilbur Web- nected as shown in Fig. 2. The bottle, D, is partly filled ster, of East Jaffrey, N. H., Figs. 1and 2 being longitudinal with mercury, in which floats a pencil, F, of carbon of the sections taken at right angles to each other, and Fig. 3 is an kind used for electric lighting by… … secondary wire of the coil is connected with the receiving instrument and line, the other terminal is grounded. These connections will be understood by reference to Fig. 2. @ and ends. The mercury buoys the carbon up so that it is always The invention consists of a handle containing two semi- kept…
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