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Features

Central American Antiquities

The Feejee Islands and their Resources

Newly Opened Pyramids

The Basin of the Gulf of Mexico

By J. E. Hilgard

Robert Wilhelm Bunsen

A Simple Gas Motor

Testing Exploded Boiler Plates

Jean Louis Baudelot

An Improved Dredger

Wooden Pavements in San Francisco

Worthington Compound Pumps

Suggestions in Architecture

American Milling

By Andrew Hunter

Surveying of Mining Claims in Colorado

By Richard A. Parker

Subterranean Telegraph Cables

The Storage of Electricity. –Interesting Scientific Correspondence

We subjoin a series of letters by distinguished men of science in which the value of the new Faure battery is discussed from several different standpoints:

Measuring the Index of Refraction of Ebonite

The Herz Telephone

New Telephones

Physical Society, London, April 9, 1881

By W. G. Adams

Domestic Electricity

An Experiment with the Induction Balance

Double-Action Mercurial Air-Pump

Philosophical Society of Glasgow, February 21, 1881

By J. Mactear

Magical Pitchers and Drinking Vessels

The New State Insane Hospital, Near Norristown, Pennsylvania

Palmieri's Report Regarding the Observatory of the Vesuvius

Flax as a Carrier of Disease

Charcot on Hypnotism

The Partial Eclipse of the Sun, December 31, 1880

By J. Rand Capkon

The Border-Land of Chemistry and Biology

Glycolic Acid from Sugar

By H. Kiliani

Report on Analytical Chemistry

Lohse's Method of Preparing Emulsion

Pyroxyline Varnishes

Hot Ice

On the Connection of the Molecular Properties of Inorganic Compounds with their Action upon the Living Animal Organism

By James Blake

Henna Leaves and Powder from Lawsonia Alba

By Heinrich Paschkis

Rapid Detection of the Presence of Water in Alcohol and Ether

By Carl Mann

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July 16, 1881

Music's Mysterious Power

Music's Mysterious Power

Emotional. Cognitive. Therapeutic.