h-button, the bell and its battery. Coherer and the sounder should operate, the former tapping the ———_—__-—- - = 41-@ a push-button normally represent the circuit open. ‘The Current Supplement. coherer and the latter sounding the stroke. The ad- When one pushes the button, the circuit is closed… … Giraffe, five-horned* Supplement, enrrent.. ere adhered to carefully, the result will be a successful Target practice at ‘Aldershot Grease pump*......... Telegraph, prinelesss Inventions, index 0 5 be Inventions, eoatly patented... .172 receiver. Warning, timely..
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