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Features

The Application of Polarized Light to the Examination of the Alkaloids of the Quinin Group

By Henry A. Mott

St. Louis

American Silk Manufacture

Coal Oil Dangers

New System of Pile-Driving

Boiler Feed Regulator

Rocking Firebar

Lock-Up Safety-Valve

The Strength of Wrought Iron

The Creusot Works Exhibits at Paris

The Land of Midian and its Mines

Concerning Cocoanuts

Irish Short-Horns

The Seed Trade

By Andrew J. Lawson

Peach Gardens of France

The Interior of the Earth

Vesuvius and the Surrounding Country

By C. E. Crosby

Geology of the Polar Regions

Dyspepsia

[Translated from the German, for The Hospital Gazette, by Paul H. Kretzschmar, M. D., of Brooklyn, N. Y.]

By C. F. Kunze

Vegetable Chemistry

Fluoranthene

Ammonium Nitrite

Melting Points

Analysis of Soils

By Ad. Mayer

Determination of the Fat in Butter

By M. Kretzschmar

Hydrogen Peroxide

Sugar in the Alimentary Canal

Action of Hydrocyanic Acid

By O. Wallach

Influence of Different Gases on Fermentation

Alcoholic Potassa

By E. J. Maumen*amp*eacute;

Chemical Action of Electric Discharge

Fluid Cavities in Blende

Separation of Minerals

American Congress Tourney of '57

Chess and the Catholic Clergy

J. A. De Riviere. of Paris

Solutions to Problems

Departments

  • Experiments with Floating and Suspended Magnets, Illustrating the Action of Atomic Forces, the Molecular Structure of Matter, Allotropy, Isomerism, and the Kinetic Theory of Gases

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Scientific American Supplements Volume 5, Issue 129supp

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