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An Elephant Battery in India

The Lady Cricketers

The Newly Discovered Phosphate Beds of Florida

By Albert R. Ledoux

The Reef off Pernambuco

Lessons from Fields and Lanes

India Rubber


The Wonders of a Celestial Journey

Astronomical Notes—The Lick Observatory in Winter

The Prophet Flower

After Six Hundred Years of Burial

Ancient Athens

Extent of the Roman Catacombs

Fall of Meteorites in Iowa

By Joseph Torrey and Edwin H. Barbour

The Punctuality of Trains

The Great Siberian Railroad

Improved Ore Crushing Mill

Canalization of the Seine

Four New Academicians

By Marcus Benjamin

Instruments for Drawing Curves

VIII.—The Cissoid, And Associated Curves.

By C. W. MacCord

Electrical Relations of the Brain and Spinal Cord

Experiments on Electric Undulations

Pharmaceutical Society of Great Britain

The Otis Electric Elevator

Chemical Constituents of Apples

Hydride of Phosphorus

Apparatus for the Determination of Ammonias in Sand and Sewage

By Allen Hazen

A New Method for the Analysis of Zinc and Copper Alloys

By H. N. Warren

Sealing Tubes under Pressure

By A. Richardson

Methods of Bacteriological Research, with some Account of Bran Fermentation

By J. T. Wood

Note on the Isolation of the Nitrifying Organism

By R. Warington

Oil of Wintergreen


Useful Engineering Books

Building Plans and Specifications


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