heat, is not sufficient; on the contrary, it appears that in rushing into the resonator, produces a somewhat in- if only the soil whence malarial effluvia have arisen laria is absent; but between these the disease is de- tense and' plaintive sound, which can be heard to a could be kept permanently… … metals to be joined are at- to the roofs of houses, where, during the whole night, it emits plaintive murmurs tached to the negative pole of the accumulator ; and a would be no infection. The soil must be for a while after the manner of .^lolian harps. carbon pencil, such as is used in ordinary arc…
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