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Scientific American Supplement, No. 787, January 31, 1891
The Project Gutenberg EBook of Scientific American Supplement, No. 787,
January 31, 1891, by Various This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.net
Title: Scientific American Supplement, No. 787, January 31, 1891
Author: Various
Release Date: November 10, 2004 [EBook #14009]
Language: English
Character set encoding: ISO-8859-1
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SCIENTIFIC AMERICAN SUPPLEMENT NO. 787
NEW YORK, January 31, 1891
Scientific American Supplement. Vol. XXXI., No. 787.
Scientific American established 1845
Scientific American Supplement, $5 a year.
Scientific American and Supplement, $7 a year.
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TABLE OF CONTENTS.
I. BIOGRAPHY.--CHARLES GOODYEAR.--The life and discoveries of the inventor of vulcanized India rubber, with portrait.--1 illustration
II. BIOLOGY.--Can we Separate Animals from Plants?--By ANDREW WILSON.--A debated point well discussed.--The bases on which distinctions must be drawn
III. ELECTRICITY.--A New Electric Ballistic Target.--A target for investigations of the velocity of projectiles, now in use at the United States Military Academy, West Point, N.Y.--1 illustration.
Electric Erygmascope.--An electric lighting apparatus for examining earth strata in bore holes for geol