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The Yangtsze Kiang at Hankow

From Brute to Man

By Charles Morris

The use of Hydrocyanic Acid Gas for the Destruction of the Red Scale

By D.W. Coquillett

Fungi Parasitic upon Insects

Experiments with Spraying

Vibrating Strings

The Magic Javelin

Phosphorescent Bacteria

Coil Friction Power Transmitter

The Railroads of Mexico

Omnibus with Roofed Imperial

Brickmaking in America

By W. Johnson

Propeller for Pleasure Boats

The Manufacture of Vinegar

The Manufacture of Portland Cement from Slag

Light Batteries

Industrial Electric Ozonization

Historical Note on Thermal Batteries

By Henri Becquerel

The Apparatus for Electrical Execution

Lightning or other High Tension Current Protectors

By Oliver J. Lodge

Peroxide of Hydrogen: Its Preservation and Commercial Uses

By C.T. Kingzett

Analyses of some American Fire Clays

A Novel Seesaw

Feodossieff's New Method of Tempering and Hardening Steel for Cannon and Projectiles

By Watson Smith

Pharmaceutical Meeting

Useful Engineering Books

Baking Powders

Building Plans and Specifications

Departments

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May 31, 1890

Think Outside the Gift Box