Scientific American Supplement, No. 664, September 22,1888   By: Various

SCIENTIFIC AMERICAN SUPPLEMENT NO. 664

NEW YORK, SEPTEMBER 22, 1888

Scientific American Supplement. Vol. XXVI., No. 664.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

TABLE OF CONTENTS.

PAGE I. ARCHITECTURE. The Commercial Exchange, Paris. History of the new building, with its general design and architectural features. 2 illustrations 10607

The New Central Railway Station at Frankfort on the Main. A full description of this gigantic structure, with its constructive features and cost. 2 illustrations 10605

II. ART OF WAR. Gun Practice in the French Navy. Gun practice at sea against a moving target. 1 illustration 10599

Modern Cavalry on the Field of Battle. By Col. R. S. LIDDELL. An exhaustive paper on this subject, treating of a much discussed branch of military tactics 10600

III. BIOLOGY. Subterraneous Flora and Fauna. By Dr. Otto Zacharias. A popular article on the interesting subject of animal and vegetable life underground. 8 illustrations 10612

IV. CHEMISTRY. Pepsin. By A. PERCY SMITH, F.I.C., F.C.S. The analysis of pepsin, difficulties of the usual method, and simple comparative test, applicable by any one 10611

V. CIVIL ENGINEERING. Timber and Some of Its Diseases. By H. MARSHALL WARD. Continuation of this valuable series, treating of fungus life and its destructive effects. 5 illustrations 10613

VI. ELECTRICITY. A Basis from which to Calculate Charges for Electric Motor Service. A practical paper treating of the percentage of horse power hours used in different industries 10608

VII. ETHNOLOGY. A Chinese Imperial Cemetery. The cemetery of the emperors of the Ming dynasty. The remarkable statues and buildings. 2 illustrations 10610

How a Mound was Built. An interesting contribution to the history of the Ohio mounds by Mr. GERARD FOWKE 10609

Some Abyssinian Customs. The hair dressing of the Abyssinian women. Their method of grinding pepper. 3 illustrations 10609

VIII. MEDICINE AND SURGERY. A New Surgical Operation. Dr. Brudenell Carter's operation for relieving pressure on the optic nerve 10611

Dyspepsia, its causes and prevention. How this malady is caused and how easily it may be guarded against, an essay in prophylaxis 10610

IX. MECHANICAL ENGINEERING. Coal Tar as Fuel for Steam Boilers. By JOHN McCRAE, of Dundee. A review of the economy of tar firing and of the method employed by the writer. 1 illustration 10604

Steam Generator of Serpollet Brothers, producing steam instantaneously. A new inexplodible steam generator, its construction and application to a tricycle. 3 illustrations 10602

Transmission of Power between Bodies Moving at Different Velocities. A simple system of transmitting power applicable in many places 10602

X. MISCELLANEOUS. Note on Missouri Marble 10614