SCIENTIFIC AMERICAN SUPPLEMENT NO. 1082

NEW YORK, SEPTEMBER 26, 1896.

Scientific American, established 1845.

Scientific American Supplement. Vol. XLII., No. 1082.

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.


TABLE OF CONTENTS.
PAGE.
I.[ARCHITECTURE.—New Methods of Building Construction at Paris.—A typical French system of construction.—Combination of plaster and iron; cement armé.—1 illustration.]17292
II.[AUTOCARS.—The De Dion and Bouton Road Motor.—An elaborate description of this typical French motor operated by steam.—4 illustrations.]17290
III.[CHEMISTRY.—An Air Bath.—By B.J.H. COSTE.—1 illustration.]17296
[The Feculometer.—1 illustration.]17295
IV.[DOMESTIC ECONOMY.—Errors in Our Food Economy.—A very practical paper on scientific nutrition.]17288
V.[GEOGRAPHY.—Zanzibar.—An account of the country and the recent events there.—3 illustrations.]17287
VI.[MATHEMATICS.—Goodman's Hatchet Planimeters.—Instrument for measuring areas and mean altitudes or irregular figures.—5 illustrations.]17293
VII.[METALLURGY.—The Great Krupp Works.—Notes on the great iron and steel works of the German empire, with statistics.]17302
VIII.[MINERALOGY.—Precious Stoned—By Prof. HENRY A. MIERS.—Lecture I.—First installment of a most interesting article on the minerals used in the jeweler's art.—3 illustrations.]17298
IX.[MINING ENGINEERING.—Firedamp Testing Station at Marchienne-au-Pont.—An elaborate experimental station for investigation into firedamp.—3 illustrations.]17297
X.[MISCELLANEOUS.—Device for the Display of Lantern Slides.—An apparatus for the display of lantern slides in the shop window.—A rotating carrier.—2 illustrations.]17295
[What the Sea Has Taken.—Destruction of great areas of country in the past, with special reference to the Dutch coast.]17289
[Engineering Notes.]17301
[Electrical Notes.]17301
[Miscellaneous Notes.]17301
[Selected Formulæ.]17302
XI.[NATURAL HISTORY.—Some Notes on Spiders.—By Rev. SAMUEL BARBER.—Some very curious observations on arachnids.]17300
XII.[NAVIGATION.—From New York to Havre in a Rowboat.—The most wonderful trip on record across the ocean, with portraits of the navigators and view of the boat.—2 illustrations.]17291
[The Waste of Shipping:—Losses of steam and sailing vessels due to wreckage and condemnation, with valuable tables.]17291
XIII.[OPTICS.—The Colors Named in Literature.—With table.]17289
XIV.[PHOTOGRAPHY.—Photography for Chemists.—Lantern slides by reduction.—How to produce lantern slides from large negatives.]17297
XV.[PHYSICS.—A Research on the Liquefaction of Helium.—A research in advanced experimental physics upon the newly discovered element helium.—1 illustration.]17299
[Physics Without Apparatus.—Several interesting and simple experiments described.—1 illustration.]17302
XVI.[TECHNOLOGY.—Apparatus for the Manufacture of Acetylene Gas.—Description of a number of prominent acetylene apparatus, with illustrations and sectional views thereof.—12 illustrations.]17294
[Belleek China.—History of this beautiful china, and foundation of its manufacture in Ireland and subsequent introduction into America.—Description of different Belleek marks.]17292
[The Coming Light.—An incandescent gas burner employing artificial draught produced by electric motor.—2 illustrations.]17296