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SA Supplements Vol 55 Issue 1411supp

SA Supplements

Volume 55, Issue 1411supp

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Features

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

Red Lead and Linseed Oil

How Hair Brushes are Made

J. R. McMinn

The Future of Coal Mining

The China Tea Trade

Clays

An Italian Rival to the Chinese Wall

The Billiard Mirror

The American Association for the Advancement of Science

Marcus Benjamin

The Increased Traffic of the “Soo” Canals

Proposed Improvements in the Erie Canal

Irrigation

Trade Notes and Recipes

Trade Suggestions from United States Consuls

Patents!

Selected Formulæ