Project Gutenberg's Scientific American Supplement No. 819, by Various

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Title: Scientific American Supplement No. 819
Volume XXXII, Number 819. Issue Date September 12, 1891

Author: Various

Release Date: February 9, 2005 [EBook #14990]

Language: English

Character set encoding: ASCII

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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 819

NEW YORK, SEPTEMBER 12, 1891.

Scientific American Supplement. Vol. XXXII, No. 819.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

* * * * *

TABLE OF CONTENTS.

I. ASTRONOMY.--The Story of the Universe.--By Dr. WILLIAM
HUGGINS.--A valuable account of modern views of the formation
of the universe, and of modern methods of studying the problem.--1
illustration.

II. ELECTRICITY.--The Production of Hydrogen and Oxygen through
the Electrolysis of Water.--A valuable paper on the electrolysis
of water on a large scale, with apparatus employed therefor.--4
illustrations.

III. MECHANICAL ENGINEERING.--An English Steam Fire Engine.--A
light fire engine built for East Indian service.--1 illustration.

IV. MEDICINE AND HYGIENE.--A Case of Drowning, with Resuscitation.--By
F.A. BURRALL, M.D.--A full account of a remarkable
case of resuscitation from drowning, with full details
of treatment.

V. METALLURGY.--How Gas Cylinders are Made.--The manufacture
of cylinders for highly compressed gases, a comparatively
new and growing industry.--6 illustrations.

Refining Silver Bullion.--The Gutzkow process in refining silver
bullion with sulphuric acid.--1 illustration.

The Treatment of Refractory Ores.--A new process for the extraction
of metal from refractory ore.--1 illustration.

Weldless Steel Chains.--An exhaustive examination of this curious
process, and very full illustrations.--43 i