VOLUME XLIII. NEW SERIES.

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THIS WIDELY CIRCULATED and splendidly illustrated paper is published

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ALL CLASSES OF READERS find in THE SCIENTIFIC AMERICAN a popular

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regularity, to subscribers in Great Britain, India, Australia, and all

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Transcriber's Note:

_x_ indicates italic script.

Some archaic (Early American) spellings have been retained.

Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures · 第 155 / 157 题