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Features

The Maple Sugar Indus Try of vermont

Arsenic in Beer

The Optics of Trichromatic Photography

Rhodesian White Ants

Frogs for Market

Rerolled Rails as a Market Factor

Dock Equipment for the Rapid Handling of Coal and Ore on the Great American Lakes

By Arthur C. Johnston

The Progress of the Siberian Railway

The Progress of Invention

Boiler Tools

The Tools of the Marine Biologist

Temperature of the upper Air

Aims and Methods of Study in Natural History

By Edmund B. Wilson

The Tete-Rousse Glacier

Plant Stems Underground

By R. Lloyd Praeger

A Voyage in Mesopotamia

Agapetes Macrantha

Progress of Agriculture in the United States

By George K. Holmes

Trade Suggestions from United States Consuls

Trade Notes and Receipts

Departments

  • Departments

    Patents - March 9, 1901

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial