The Project Gutenberg EBook of Scientific American Supplement, No. 508,
September 26, 1885, by Various

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Title: Scientific American Supplement, No. 508, September 26, 1885

Author: Various

Release Date: October 3, 2005 [EBook #16792]

Language: English

Character set encoding: ASCII

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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 508

NEW YORK, SEPTEMBER 26, 1885

Scientific American Supplement. Vol. XX., No. 508.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

* * * * *

TABLE OF CONTENTS

PAGE
I. CHEMISTRY AND METALLURGY.--The Cowles Electric Smelting
Process. 5 figures. 8113

On the Electrical Furnace and the Reduction of the Oxides of
Boron, Silicon, Aluminum, and other Metals by Carbon.--By
EUGENE H. COWLES, ALFRED H. COWLES, and CHARLES F. MABERY. 8112

Chemical Action of Light. 8117

Eutexia.--Cryohydrates.--Eutectic salt alloys and metal
alloys. 8117

Chinoline. 8118

Method of Rapid Estimation of Urea. 1 figure. 8118

Assay of Earthenware Glaze. 8112

II. ENGINEERING AND MECHANICS.--Deep Shafts and Deep Mining. 8104

Sinking of the Quievrechain Working Shaft.--Numerous
figures. 8108

On the Elementary Principles of the Gas Engine.--An
interesting paper read before the Gas Institute by Mr.
DENNY LANE, of Cork, and discussion following. 8109

M. MEIZEL'S Reciprocating Exhauster. 8112

Automatic Siphon for Irrigation. 1 figure.