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Scientific American Magazine Vol 90 Issue 25

Scientific American Magazine

Volume 90, Issue 25

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Features

Military and Strategical Value of Oil Fuel

Fine Performance of the Battleship Kentucky

R. W. Mc Neely

Surface Indications of Oil

The Berthier Actino-Electric Transformer

Emile Guarini

The Dredger “Marquess”

Automatic Control of Locomotives

New Apparatus for Photographing the Background of the Eye

Mail Box for Rural Delivery Service

Malting and Brewing Conducted on Scientific Principles--II Brewing

Relics of the Spanish Armada

A Sectional Bookcase

Business and Personal Wants

Departments

Correspondence - June 18, 1904

Recently Patented Inventions - June 18, 1904

Notes and Queries - June 18, 1904

Index of Inventions - June 18, 1904

Patents - June 18, 1904