The Project Gutenberg EBook of Scientific American Supplement, No. 601,
July 9, 1887, by Various

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Title: Scientific American Supplement, No. 601, July 9, 1887

Author: Various

Release Date: March 7, 2004 [EBook #11498]

Language: English

Character set encoding: ASCII

*** START OF THIS PROJECT GUTENBERG EBOOK SCIENTIFIC AMERICAN, SUPP. 601 ***

Produced by by Jon Niehof, Don Kretz, Juliet Sutherland, Charles Franks
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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 601

NEW YORK, JULY 9, 1887

Scientific American Supplement. Vol. XXIV, No. 601.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

* * * * *

TABLE OF CONTENTS.

I. ASTRONOMY.--A Star Finder.--A simple apparatus that can be
constructed by any mechanic.--1 illustration.

Photographic Study of Stellar Spectra, Harvard College Observatory.
--First annual report of the Henry Draper memorial observations.
--Review of the work by Prof. EDWARD C. PICKERING.

II. BIOLOGY.--Sponges.--The growth and life history of sponges.--Report
of a recent lecture at the London Royal Institution by Dr.
R. VON LEDENFELD.

III. ELECTRICITY.--Phenomena of Alternating Currents.--By Prof.
ELIHU THOMSON.--16 illustrations.

IV. ENGINEERING.--An English Car Coupling.--Description of an
English automatic coupling.--2 illustrations.

A New Process of Casting Iron and other Metals upon Lace,
Embroideries, Fern Leaves, and other Combustible Materials.
--By A.E. OUTERBRIDGE, JR.--A new and eminently practical
process of producing ornamental castings.--4 illustrations.

Bricks and Brick Work.--By Prof. T. ROGER SMITH, F.R.I.B.A.
--The history and technical review of this subject.--A most
remarkable contribution to the engineering of architecture.

Link Belting.--By CHARLES A. SCHIEREN.--An interesting and
practical paper on leather belting made of links.
--9 illustrations.

Recent Progress in Gas Engineering.--A lecture by Mr. A.
MACPHERSON, of Kirkcaldy,