Scientific American, Volume XXIV., No. 12, March 18, 1871

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SCIENTIFIC AMERICAN

A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES.

NEW YORK, MARCH 18, 1871.

Vol. XXIV.--No. 12. [NEW SERIES.]

$3 per Annum [IN ADVANCE.]

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SCIENTIFIC AMERICAN.

MUNN & CO., Editors and...