The Project Gutenberg EBook of Scientific American Supplement, No. 443,
June 28, 1884, by Various

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Title: Scientific American Supplement, No. 443, June 28, 1884

Author: Various

Release Date: September 29, 2005 [EBook #16773]

Language: English

Character set encoding: ASCII

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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 443.

NEW YORK, JUNE 28, 1884.

Scientific American Supplement. Vol. XVII., No. 443.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

* * * * *

TABLE OF CONTENTS.

I. CHEMISTRY AND METALLURGY.--Beeswax and its Adulterations.
--Chemical ingredients.--Detection of adulterations. 7064

Phenol in the Stem, Leaves, and Cones of Pinus Sylvestris.
--A discovery bearing on the flora of the Carboniferous
epoch and the formation of petroleum. 7065

The School of Physics and Chemistry of Paris.--With
engraving of laboratory. 7065

Some Relations of Heat to Voltaic and Thermo Electric
Action of Metals in Electrolysis.--By G. GORE. 7070

II. ENGINEERING, MECHANICS, ETC.--Air Refrigerating
Machine.--5 figures. 7071

A Gas Radiator and Heater. 7071

Concrete Water Pipes. 7071

The Sellers Standard System of Screw Threads. Nuts, and
Bolt Heads.--A table. 7072

An English Railway Ferry Boat.--3 figures. 7072

The Problem of Flight and the Flying Machine. 7072

III. TECHNICAL.--Concrete Buildings for Farms.--How to construct
them. 7063

What Causes Paint to Blister and Peel?--How to prevent it. 7063