Scientific American Supplement, No. 643

Scientific American Supplement,
No. 643

The Project Gutenberg EBook of Scientific American Supplement, No.
643,
April 28, 1888, by Various This eBook is for the use of anyone
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Title: Scientific American Supplement, No. 643, April 28, 1888
Author: Various
Release Date: September 7, 2005 [EBook #16671]
Language: English
Character set encoding: ISO-8859-1
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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 643

NEW YORK, APRIL 28, 1888
Scientific American Supplement. Vol. XXV., No. 643.
Scientific American established 1845
Scientific American Supplement, $5 a year.
Scientific American and Supplement, $7 a year.
* * * * *

TABLE OF CONTENTS.
I. ARCHÆOLOGY.--The Subterranean Temples of India.--The
subterranean temples of India described and illustrated, the wonderful
works of the ancient dwellers in Hindostan.--3 illustrations. 10275
II. BIOGRAPHY.--General F. Perrier.--Portrait and biography of the
French geodesian, his triangulations in Algiers and Corsica.--1
illustration. 10264
The Crown Prince of Germany--Prince William and his son.--
Biographical note of Prince William, the heir to the German throne.--1
illustration. 10263
III. BIOLOGY.--Poisons.--Abstract of a lecture by Prof. MEYMOTT
TIDY, giving the relations of poisons to life. 10273
The President's Annual Address to the Royal Microscopical
Society.--The theory of putrefaction and putrefactive
organisms.--Exhaustive review of the subject. 10264

IV. CHEMISTRY.--Molecular Weights.--A new and simple method of
determining molecular weights for unvolatilizable substances. 10271
V. CIVIL ENGINEERING.--Concrete.--By JOHN LUNDIE.--A
practical paper on the above subject.--The uses and proper methods of
handling concrete, machine mixing contrasted with hand mixing. 10267
Timber and Some of its Diseases.--By H. MARSHALL WARD.--The
continuation of this important treatise on timber destruction, the fungi
affecting wood, and treatment of the troubles arising therefrom. 10277
VI. ENGINEERING.--Estrade's High Speed Locomotive.--A
comparative review of the engineering features of M. Estrade's new
engine, designed for speeds of 77 to 80 miles an hour.--1 illustration.
10266
Machine Designing.--By JOHN B. SWEET.--First portion of a
Franklin Institute lecture on this eminently practical subject.--2
illustrations. 10267
VII. METEOROLOGY.--The Peak of Teneriffe.--Electrical and
meteorological observations on the summit of Teneriffe. 10265
VIII. MISCELLANEOUS.--Analysis of a Hand Fire Grenade.--By
CHAS. CATLETT and R.C. PRICE.--The contents of a fire grenade
and its origin. 10271
How to Catch and Preserve Moths and Butterflies.--Practical directions
for collectors. 10275
The Clavi Harp.--A new instrument, a harp played by means of keys
arranged on a keyboard--1 illustration. 10275
Inquiries Regarding the Incubator.--By P.H. JACOBS.--Notes
concerning the incubator described in a previous issue (SUPPLEMENT,
No. 630).--Practical points. 10265
IX. PHYSICS.--The Direct Optical Projection of Electro-dynamic

Lines of Force, and other Electro-dynamic Phenomena.--By Prof. J.W.
MOORE--Second portion of this profusely illustrated paper, giving a
great variety of experiments on the phenomena of loop-shaped
conductors.--26 illustrations. 10272
The Mechanics of a Liquid.--An ingenious method of measuring the
volume of fibrous and porous substances without immersion in any
liquid.--1 illustration. 10269
X. PHYSIOLOGY.--Artificial Mother for Infants.--An apparatus
resembling an incubator for infants that are prematurely born.--Results
attained by its use.--1 illustration. 10274
Gastrostomy.--Artificial feeding for cases of obstructed
oesophagus.--The apparatus and its application.--2 illustrations. 10274
XI. PHOTOGRAPHY.--How to Make Photo-Printing Plates.--The
process of making relief plates for printers. 10271
XII. TECHNOLOGY.--Improved Current Meter.--A simple apparatus
for measuring air and water currents without indexes or other
complications.--1 illustration. 10270
The Flower Industry of Grasse.--Methods of manufacturing perfumes
in France.--The industry as practiced in the town of Grasse. 10270
Volute Double Distilling Condenser.--A distiller and condenser for
producing fresh water from sea water.--3 illustrations. 10269
The Argand Burner.--The origin of the invention of the Argand burner.
10275
* * * * *
[Illustration: THE CROWN PRINCE OF GERMANY--PRINCE
WILLIAM AND SON [From a Photograph]]

THE CROWN PRINCE OF GERMANY--PRINCE WILLIAM AND
HIS SON.
At a moment when the entire world has its eyes fixed upon the invalid
of the Villa Zurio, it appears to us to be of interest to publish the
portrait of his son, Prince William. The military spirit of the
Hohenzollerns is found in him in all its force and exclusiveness. It was
hoped that the accession of the crown prince to the throne of Germany
would temper the harshness of it and modernize its aspect, but the
painful disease from which he is suffering warns us that the moment
may soon come in which the son will be called to succeed the Emperor
William, his grandfather, of whom he is morally the perfect portrait.
Like him, he loves the army, and makes it the object of his entire
attention. No colonel more scrupulously performs his duty than he,
when he enters the quarters of the