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SA Supplements Vol 51 Issue 1314supp

SA Supplements

Volume 51, Issue 1314supp

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Features

The Maple Sugar Indus Try of vermont

Arsenic in Beer

The Optics of Trichromatic Photography

Frogs for Market

Rerolled Rails as a Market Factor

Rhodesian White Ants

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

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

Edmund B. Wilson

Plant Stems Underground

R. Lloyd Praeger

The Tete-Rousse Glacier

A Voyage in Mesopotamia

Agapetes Macrantha

Progress of Agriculture in the United States

George K. Holmes

Trade Suggestions from United States Consuls

Trade Notes and Receipts

Departments

Patents - March 9, 1901