TABLE OF CONTENTS.

I. BOTANY.--The Brazil Nut.--The botanical position, appearance,

etc., and general features of the tree and plant.--1 illustration.

II. DECORATIVE ART.--Decoration.--The study of ornaments.--By

Miss MARIE R. GARESCHE.--The principles of ornament and

relations between nature and art; ancient and mediæval art

contrasted.--1 illustration.

III. ELECTRICITY.--Electric Registering Apparatus for Meteorological

Instruments.--Grime's telemareograph described; an apparatus

giving distant registrations of tidal phenomena.--2 illustrations.

The Montaud Accumulator.--Full account of construction and

power of this recent battery.--4 illustrations.

IV. ENGINEERING.--Belt Joints.--A new cement, the "Hercules

glue," and its adaptation for cementing belt joints.

V. MINERALOGY.--Precious Stones of the United States.--A review

of Mr. G.F. KUNZ'S recent report on this subject.

VI. MISCELLANEOUS.--A Clinical Lesson at "La Salpetriere."--A

portraiture picture by M. ANDRE BROUILLET, of a clinic.--2

illustrations.

Inauguration of the statue of Denis Papin.--The statue to Papin

erected in Paris by popular subscription.--1 illustration.

The Action of the Magnet in Hypnosis.--The nullity of the action

of the magnet disclosed.

To Find the Day of the Week for any Year.--A new method devised

by Lewis Carroll.

VII. NAVAL ENGINEERING.--Some Recent High Speed Twin

Screws.--By E.A. LINNINGTON.--An important paper on the subject

of screw propulsion.--6 illustrations.

The Havre Maritime Exhibition.--Notes on the recently opened

exhibition of ships and naval appliances at Havre.--1 illustration.

The New German Corvette Greif.--A recent addition to the German

fleet illustrated and described.--1 illustration.

The Steamship Great Eastern.--A plea for the mammoth

steamer.--Probabilities of her future usefulness.

Twin Screw Torpedo Boat.--The new sea-going vessel built by

Yarrow & Co. for the Italian government.--Her extraordinary

speed.

VIII. ORDNANCE.--Our Coast Defenses.--An interesting summary

by Gen. H.L. ABBOTT of our means for defending our coasts.

The New Krupp Guns.--The dimensions of the largest guns in

the world, now in process of construction at Essen.--2 illustrations.

IX. PHYSICS.--Colors of Thin Plates.--Report of a recent lecture by

Lord Rayleigh.

X. TECHNOLOGY.--Recent Advances in Sewing Machines.--By

JOHN W. URQUHART.--A recent lecture before the Society of

Arts of London, giving an exhaustive review of the subject.--15

illustrations.

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Scientific American Supplement, No. 598, June 18, 1887 · 第 4 / 51 题