Skip to main content


Central American Antiquities

Newly Opened Pyramids

The Feejee Islands and their Resources

The Basin of the Gulf of Mexico

By J. E. Hilgard

Robert Wilhelm Bunsen

Jean Louis Baudelot

A Simple Gas Motor

Testing Exploded Boiler Plates

Wooden Pavements in San Francisco

An Improved Dredger

Worthington Compound Pumps

Suggestions in Architecture

American Milling

By Andrew Hunter

Surveying of Mining Claims in Colorado

By Richard A. Parker

Subterranean Telegraph Cables

Measuring the Index of Refraction of Ebonite

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:

The Herz Telephone

New Telephones

Physical Society, London, April 9, 1881

By W. G. Adams

Domestic Electricity

Philosophical Society of Glasgow, February 21, 1881

By J. Mactear

Double-Action Mercurial Air-Pump

An Experiment with the Induction Balance

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

Report on Analytical Chemistry

Glycolic Acid from Sugar

By H. Kiliani

The Border-Land of Chemistry and Biology

Hot Ice

Lohse's Method of Preparing Emulsion

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

By James Blake

Pyroxyline Varnishes

Rapid Detection of the Presence of Water in Alcohol and Ether

By Carl Mann

Henna Leaves and Powder from Lawsonia Alba

By Heinrich Paschkis


Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
July 16, 1881

20% Sitewide for President's Day