The Project Gutenberg EBook of Scientific American Supplement, Vol. XXI.,
No. 531, March 6, 1886, by Various

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Title: Scientific American Supplement, Vol. XXI., No. 531, March 6, 1886

Author: Various

Release Date: February 29, 2004 [EBook #11383]

Language: English

Character set encoding: ASCII

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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 531

NEW YORK, MARCH 6, 1886

Scientific American Supplement. Vol. XXI, No. 531.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

* * * * *

TABLE OF CONTENTS.

I. CHEMISTRY AND METALLURGY.--Annatto.-Analyses of the same.--By
WM. LAWSON

Aluminum.--By J.A. PRICE.--Iron the basis of civilization.--
Aluminum the metal of the future.--Discovery of aluminum.--Art
of obtaining the metal.--Uses and possibilities

II. ENGINEERING AND MECHANICS.--The Use of Iron in Fortification.
--Armor-plated casements.--The Schumann-Gruson chilled iron
cupola.--Mougin's rolled iron cupola.--With full page
of engravings

High Speed on the Ocean

Sibley College Lectures.--Principles and Methods of Balancing
Forces developed in Moving Bodies.--Momentum and centrifugal
force.--By CHAS.T. PORTER.--3 figures

Compressed Air Power Schemes.--By J. STURGEON.--Several
figures

The Berthon Collapsible Canoe.--2 engravings

The Fiftieth Anniversary of the Opening of the First German
Steam Railroad.--With full page engraving

Improved Coal Elevator.--With engraving

III. TECHNOLOGY.--Steel-making Ladles.--4 figures

Water Gas.--The relative value of water gas and other gases as
Iron-reducing Agents.--By B.H. THWAITE.--Experiments.--With
tables and 1 figure

Japanese Rice Wine and Soja Sauce.--Method of making

IV. ELECTRICITY, MICROSCOPY, ETC.-Apparatus for demonstrating
that Electricity develo