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The French Sardine Industry

By Hugh M. Smith

Liquid Fuel for Steam Purposes

A Modern Tycho Brahe

Vagaries of the Tide

New Methods of Testing Iron and Steel

A New Acetylene Generator

The Proposed Inter-Oceanic Canal

The History of the Anchor

How Wool is Combed

An Analysis of an Old Rail

Public Lectures at the American Association

By Marcus Benjamin

The Preservation of Iron by Paint

Counterfeiting and Counterfeit-Detecting

A Horse Bonnet Contest

Sculpture in Northern Central Syria

By Howard Crosby Butler

The Dragon-Fly's Flight and the means of its Accomplishment

Nesting Season of Birds of Prey

The Paternity of Wireless Telegraphy

A Carbon Electrolytic Interrupter

Contemporary Electrical Science

Trade Notes and Recipes

Trade Suggestions from United States Consuls


Selected Formulæ


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    August 09, 1902

    20% Sitewide for President's Day