Scientific American, Volume XLIII., No. 25, December 18, 1880

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

Reading edition

Vol. XLIII., No. 25. [New Series.] $3.20 per Annum. [POSTAGE PREPAID.]

NEW YORK, DECEMBER 18, 1880.