The Project Gutenberg EBook of Scientific American Supplement, No. 623,
December 10, 1887, by Various

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Title: Scientific American Supplement, No. 623, December 10, 1887

Author: Various

Release Date: July 12, 2005 [EBook #16270]

Language: English

Character set encoding: ASCII

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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 623

NEW YORK, DECEMBER 10, 1887

Scientific American Supplement. Vol. XXIV., No. 623.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

* * * * *

TABLE OF CONTENTS.

I. ARCHITECTURE.--Notes on the Construction of a Distillery
Chimney--A new method of building lofty shafts, including a
metallic frame and brick lining--3 illustrations. 9949

The Commercial Exchange, Paris--The new Paris exchange now
in process of erection.--Present state of operations--1
illustration. 9954

II. ASTRONOMY.--The Yale College Measurement of the Pleiades.--
Dr. Elkin's work with the Repsold heliometer at Yale College. 9957

III. CHEMISTRY--New Method for the Quantitative Determination
of Starch.--By A.N. ASBOTH--Determination of starch by its
barium compound. 9956

Synthesis of the Alkaloids--A retrospect of the field of
work so far traveled over by synthetical chemists, and
future prospects. 9956

The Chemical Basis of Plant Forms--By HELEN C. DE S. ABBOTT
--Continuation of this important contribution to plant
chemistry, one of the most valuable of recent chemical
monographs. 9955

IV. ELECTRICITY.--An Electrical Governor--A new apparatus for
preserving a constant electromotive force with varying
dynamo speed--1 illustration.