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Scientific American, Vol. 55, No. 12 (September 1886) (1886)

leaf 8

An illustration from Scientific American, Vol. 55, No. 12 (September 1886), 1886, leaf 8
one experts, and', as is well known, it supply of steam. No dust or smoke is produced when are so designed and arranged as to insure economy, has been disclaimed by Bell in his patent. the fire is properly adjusted, and itbis. fuel Js cheaper The transmission of articulate speech by means of… … case, the wrist pins and lower SANN & LAPP'S LONG DISTANCE TELEPHONE. ranged to show their working part of the cylinders getting a parts as clearly as possible. plentiful supply at each stroke. The telephone receiver shown in Figs. 1 and 3 is As this oil cannot escape, it is used over and over, At…

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