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SA Supplements Vol 52 Issue 1352supp

SA Supplements

Volume 52, Issue 1352supp

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Features

Wire Grass—A New Industry

Comparison of the Merchant Fleets of the World

Enameling.–IV

Education

A New Gold Field

A Brief Comparison of Recent Battleship Designs

H. G. Gillmor

The Ventilation of Tunnels

Smokeless Flash-Light

High-Tension Switches

E. W. Rice

The Geographic Conquests of the Nineteenth Century

Gilbert H. Grosvenor

Dr. Sven Hedin in Central Asia

Trade Suggestions from United States Consuls

Trade Notes and Receipt

Exploring a New River

Patents!