The Project Gutenberg EBook of Scientific American Supplement, No. 441,
June 14, 1884., by Various

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Title: Scientific American Supplement, No. 441, June 14, 1884.

Author: Various

Release Date: May 16, 2005 [EBook #15833]

Language: English

Character set encoding: ASCII

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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 441

NEW YORK, JUNE 14, 1884

Scientific American Supplement. Vol. XVII., No. 441.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

* * * * *

TABLE OF CONTENTS.

I. CHEMISTRY AND METALLURGY.--On Electrolysis.--Precipitation
of lead, thallium, silver, bismuth, manganese, etc.--By H.
SCHUCHT

The Electro-Chemical Equivalent of Silver

Zircon.--How it can be rendered soluble.--By F. STOLBA

A New Process for Making Wrought Iron Directly from the Ore.
--Comparison with other processes.--With descriptions and
engravings of the apparatus used

Some Remarks on the Determination of Hardness in Water

On the changes which Take Place in the Conversion of Hay
into Ensilage.--By F.J. Lloyd

II. ENGINEERING AND MECHANICS.--Faure's Machine for
Decorticating Sugar Cane.--With full description
and 13 figures

The Generation of Steam and the Thermodynamic Problems
Involved.--By WM. ANDERSON.--Apparatus used in the
experimental determination of the heat of combustion and
the laws which govern its development.--Ingredients of
fuel.--Potential energy of fuel.--With 7 figures and
several tables

Planetary Wheel Trains.--Rotations of the wheels relatively
to the train arm.--By Prof. C.W. MACCORD

The Pantanemone.--A New Windwheel.--1 engraving

Relvas's New Life Boat.--With engraving

Experiments with Double Barreled Guns and Rifles.
--Cause of the divergence of the charge.--4 figures

Improved Ball Turning