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Scientific American Magazine Vol 90 Issue 14

Scientific American Magazine

Volume 90, Issue 14

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Features

High-Explosive Projectiles

Dispersion and Wave Length of N-Rays

The Blindness of the Submarine

High-Speed Steam Railway Service

The Perspectartigraph--A Novel Drawing Instrument

Japanese Swordmaking.--II

G. H. Tilden

The Battleship “Mikasa” in Action

The Abruzzi Polar Expedition.--II

Excavations in the Roman Forum

Accident to the Battleship Illinois

Raising Ostriches in the United States

Day Allen Willey

Business and Personal Wants

Departments

The Heavens in April - April 2, 1904

Science Notes - April 2, 1904

Legal Notes - April 2, 1904

Recently Patented Inventions - April 2, 1904

Notes and Queries - April 2, 1904

New Books, Etc. - April 2, 1904

Index of Inventions - April 2, 1904

Patents - April 2, 1904