Scientific American Magazine Vol 101 Issue 10

Scientific American Magazine

Volume 101, Issue 10

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Features

The First Voyage of the "Zeppelin III"

Lessons of the Rheims Aviation Contests

A Sanitary Drainage Canal for Buffalo

Why do Watch Mainsprings Break?

Electricity

Engineering

A New Speed Indicator for Marine Propellers

Powerful Hoisting and Conveying Machine

Hieroglyphs of the Heavens

Esther Singleton

The Aviation Meeting at Rheims

Measuring a River's Flow

S. Mays Ball

German Museum of Masterpieces of Science and Industry

Home-Made Chemical Perfume

Gustave Michaud

Handy Man's Workshop

How to Make a Simple Dry Battery

George F. Worts

Paper Hanger's Adjustable Templet

I. G. Bayley

The Handy Man's Spark Plug

R. W. Pearse

Home-Grown Calabash Gourds

Charles A. Sidman

How to Make a Simple Electric Engine

Robert H. Brockman

Departments

Recently Patented Inventions

Patents

New Books, Etc.

Index of Inventions