[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 245
ting state,the current from the battery will continue toflow through the sounder or bell. We mustdecohere the filings. For this purpose we havea little rod and hammer arranged in such amanner that when the sounder or bell works ittaps against the glass of the coherer, and ef-fects the decoherence… … TRANSMITTER. RECEIVER. Transmitter. A is the contact breaker. B is the tube of vaseline oil in which the largebrass balls are half immersed. 4-4 are the two small brass balls.C is the induction coil.D is the battery. Receiver. E is the coherer.F\s the decoherer. 244 ELECTRICITY AND ITS G is the…
Electricity
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