Scientific American Magazine Vol 101 Issue 5

Scientific American Magazine

Volume 101, Issue 5

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Features

Good News from Panama

Naval Annuals of 1909

As Others See Us

Science

Engineering

Electricity

Baseball at Night

The First Attempt at a Cross-Channel Flight and New French Cross-Country Records

Speed of the Mauretania

How the Peace Could be Kept Internationally

Construction of an Ellipse

A New Process for Damascening, Inlaying, and Blending Metals

BY THE ENGLISH CORRESPONDENT OF THE SCIENTIFIC AMERICAN.

The First of the 1909 Flights for the Scientific American Trophy

Handy Man's Workshop

A Ladder Extension Leg

I. G. Bayley

Device for Removing Broken Wood Screws

G. H. Sinclair

Experiments with Alternating Current, Using a Small Direct-Current Motor

F. P. M'dermott

Automatic Lubricating Cup

W. J. C.

Departments

Correspondence - July 31, 1909

The Heavens in August

Index of Inventions - July 31, 1909

Recently Patented Inventions - July 31, 1909

Patents - July 31, 1909