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Early Use of the Water-Tube Locomotive Boiler

Dangers of Peddled Ice Cream

The Imperfect Definition of the Photographic Image on Dry Plates

The Expansion of our Foreign Commerce

Fireproof Mail Cars

Inspection of Gas Meters

By Alton D. Adams

Progressive-Motion Ore-Conveyer

Hygienic Mechanical Bread-Making

Sinking the Caissons for East River Bridge No. 3

Cynips Polycera

By M. C. Frederick

Pompeil

Railroads in Cuba

By Waldon Fawcett

The Nice-Turbie Race

By Our Paris Correspondent

An Oscillating Compound Steam Engine of Novel Design

Friction Clutch Pulley

Wave and Tide Motor

Lamp-Hanger

Business and Personal Wants

The Nation's Baskets

Departments

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    The Heavens in June

  • Recently Patented Inventions - May 31, 1902

  • Index of Inventions - May 31, 1902

  • New Books, Etc. - May 31, 1902

  • Notes and Queries - May 31, 1902

  • Patents - May 31, 1902

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May 31, 1902

See the World from a Different Perspective

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