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Scientific American, Vol. 41, No. 13 (September 1879) (1879)

leaf 7

An illustration from Scientific American, Vol. 41, No. 13 (September 1879), 1879, leaf 7
f London, Ontario, Canada, has others. .♦ i * i * EDISON'S LATEST TELEPHONE. patented an improvement in the class of cylindrical drums The operation of this telephone will be understood by or blowers used with carbureters, and which are provided those who are familiar with the first… … the belly band or girth and the martingale of ment, while it is equally as sensitive as ex- EDISOFS NEW TELEPHONE. a harness, the use of which will allow them to isting forms of transmitter. The details of I be disconnected without unbuckling the belly band or girth its construction will be…

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