Project Gutenberg's Scientific American Supplement No. 822, by Various

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Title: Scientific American Supplement No. 822
Volume XXXII, Number 822. Issue Date October 3, 1891

Author: Various

Release Date: February 9, 2005 [EBook #14989]

Language: English

Character set encoding: ASCII

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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 822

NEW YORK, October 3, 1891

Scientific American Supplement. Vol. XXXII, No. 822.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

* * * * *

TABLE OF CONTENTS.

I. ANTHROPOLOGY.--The Study of Mankind.--A review of Prof.
Max Muller's recent address before the British Association. 13141

II. CHEMISTRY.--Standards and Methods for the Polarimetric
Estimation of Sugars.--A U.S. internal revenue report on
the titular subject.--2 illustrations. 13138

The Formation of Starch in Leaves.--An interesting
examination into the physiological _role_ of leaves.--1
illustration. 13138

The Water Molecule.--By A. GANSWINDT.--A very interesting
contribution to structural chemistry. 13137

III. CIVIL ENGINEERING.--Demolition of Rocks under Water
without Explosives.--Lobnitz System.--By EDWARD S.
CRAWLEY.--A method of removing rocks by combined
dredging and ramming as applied on the Suez Canal.--3
illustrations. 13128

IV. ELECTRICITY.--Electrical Standards.--The English Board of
Trade commission's standards of electrical measurements. 13129

The London-Paris Telephone.--By W.H. PREECE,
F.R.S.--Details of the telephone between London and
Paris and its remarkable success.--6 illustrations. 13131

The Manufacture of Phosphorus by Electricity.--A new
indust