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The Maxim Machine Gun

Training for Mechanical Engineers

By G. I. Alden

Improved Gas Engine

The Automatic Topograph

On Boiler Explosions

Claude Jouffroy

Dr. Joseph Janvier Woodward

Speech from Light.—The Correlation of Physical Forces

J. L. Pulvermacher

Thermal Colored Rings

The Electric Railway, Brighton, Eng

Electric Apparatus for Reproducing Drawings

New Method of Manufacturing Selenium Pile Elements

The Temple of Diana at Ephesus

Modified Electrolytic Examination of Arsenical Copper Ores and Slags

Mounting and Coloring Photographs in Imitation of Oil Paintings

Chemical Actions with Carbon and its Compounds

By G. Gore

The Chemistry and Valuation of Coal

By Alfred K. Glover

Prosthetic Articulation

By H. L. Cruttenden

Opium Smoking

Sanitary Examination of Drinking Water

By Edmund R. Angell

The Art of Swimming

Scotch Wild Cattle

The White Birch and its Varieties


By R. S. Ball

Winter Culture of Mignonette

Beer Causes Bright's Disease

Hot Water for Sprains



  • Departments

    Patents - November 8, 1884

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