The Project Gutenberg EBook of Scientific American Supplement, No. 613,
October 1, 1887, by Various

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Title: Scientific American Supplement, No. 613, October 1, 1887

Author: Various

Release Date: May 24, 2005 [EBook #15889]

Language: English

Character set encoding: ASCII

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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 613

NEW YORK, OCTOBER 1, 1887.

Scientific American Supplement. Vol. XXIV., No. 613.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

* * * * *

TABLE OF CONTENTS.

I. BIOGRAPHY.--Dr. Morell Mackenzie.--Biographical note and
portrait of the great English laryngologist--the physician
of the Prussian Crown Prince.--1 illustration. 9794

II. BOTANY.--Soudan Coffee.--The _Parkia biglobosa_.--Its
properties and appearance, with analyses of its beans.--8
illustrations. 9797

Wisconsin Cranberry Culture.--The great cranberry crop of
Wisconsin.--The Indian pickers and details of the
cultivation. 9796

III. CHEMISTRY.--Analysis of Kola Nut.--A new article
adapted as a substitute for cocoa and chocolate to military
and other dietaries.--Its use by the French and German
governments. 9785

Carbonic Acid in the Air.--By THOMAS C. VAN NUYS and
BENJAMIN F. ADAMS, Jr.--The results of eighteen analyses of
air by Van Nuys apparatus. 9785

The Crimson Line of Phosphorescent Alumina.--Note on Prof.
Crooke's recent investigation of the anomalies of the oxide
of aluminum as regards its spectrum. 9784

IV. ELECTRICITY.--Electric Time.--By M. LITTMANN.--An
abstruse research into a natural electric standard of
time.--T