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Scientific American, Vol. 37, No. 9 (1877) (1877)

leaf 9

An illustration from Scientific American, Vol. 37, No. 9 (1877), 1877, leaf 9
is four vertical sides are covered with mirrors, and which is re- mouth, and have ascertained that he has no pouch, nor any- volvable about a vertical axis; of a gas jet, burning with a thing like a pouch. He puts everything he can get hold of small flame; and of a mouthpiece which terminates in a… … the delivery of the gas to the is the result of imitation, or that burner, causing the gas flame to he has been taught; it is, I leap up and down in unison with think, a natural action. I gave Moderately Hoare. the sounds transmitted. On ro- him my hat, he placed it before tating the prismatic…

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