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Water Tube Boilers.—IV

The English Correspondent of the scientific American

The Foreign Quarter of New York

Comparison of the Battleships of the World

A New Process of Staining Glass

Jane Naval War Game

Considerations on the Choice of a Physical Unit of Decimal Time

How Hair Brushes are Made

By J. R. McMinn

Red Lead and Linseed Oil

An Italian Rival to the Chinese Wall


The China Tea Trade

The Future of Coal Mining

The American Association for the Advancement of Science

By Marcus Benjamin

The Billiard Mirror

The Increased Traffic of the “Soo” Canals

Proposed Improvements in the Erie Canal


Trade Notes and Recipes

Trade Suggestions from United States Consuls

Selected Formulæ



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