l say nothing of the many corridors which ramify this operator can tell the exact temperature in the vicinity the sound wave is reflected and returns to the appar- section of the great building. The air from the pas- of each coil, as it is registered on a dial above the but- atus. When this occurs… … phragm, h. This projects sound waves against A LEADLESS SOUNDING APPARATUS. the bottom of the sea, whence they are thrown The rules are drawn up for the concourse of electric cabs which is to be held at Paris next May. sage ways is no better than that in the chambers above, back to the vessel and…
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