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Portable Electric Light Engine

French Railway Appliances

Use of Compressed Air Motors for Street Cars

Skew-Bevel Wheels

By C. W. MacCord

The Galvanizing Process

Some Facts of Interest concerning Zincked Iron and the Process of Galvanizing


Huntley, Holcomb & Heine, Silver Creek, N. Y.

New Mode of Treating Caoutchouc

A New Reaction of Creatinine and Creatine

A New Blasting Compound

The Plane of Polarization Electro-Magnetically Rotated in a Vapor

Relative Chemical Energy of Sunlight, Electric Light, and Magnesium Light

Note on Hæmocyanine



Analysis of the Zsadanyer Meteorite

Glutine, a New Preparation for Stiffening and Rendering Glossy Calicoes, Wall Paper, Etc.

A Varnish for Replacing Turpentine and Linseed Oil Paints

Synthetical Production of Rhodanides and Ferrocyanides

Process for Preparing Sulphate of Baryta for Painting

Note on the Action of Chloral Hydrate on Rhodanide of Ammonium

Improvement in the Manufacture of Methylaniline

New Dyes

Purifying Oil of Cognac

Process for Recovering the Arsenic contained in the Residues from Fuchsine Manufacture

Process for Manufacturing Soda and Potash from the Sulphides

Printing on Glass

Painless Death

Removal of Hair by Electricity

By George Henry Fox

Clinical Lecture on Burns

By R. J. Levis

Rashes Produced by Drugs in Daily Use

Gangrene.—Benefit of Hot-Water Bath

Carbolic Acid in Small-Pox

By A. R. Platt

A Curious Stone Head

Volcanoes of the Pacific Coast

Intellect in Brutes

Alligators in the Yangtsze-Kiang

The mean Depth of the Sea

The Formation of Deltas

Interesting Antiquarian Researches

Absorption of Water by the Leaves of Plants

Oak Staircase and Screen

New Grand Cemetery or Necropolis in Madrid, Spain


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    May 17, 1879

    20% Sitewide for President's Day