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The Structure of the Atom—I

A Comprehensive Survey of the Development of Theories and the Present Situation

By K. Fajans

Copper Cartridge Cases

Grenades, Rifle and Hand

Missiles Used in Close Range Fighting

A 5,OOO-Horse-Power Chain Drive

Telephoning from the Body

A Simple Gas Burner for small Laboratory Furnaces

Throwing Bombs from Airships

How to Aim the Projectile to Hit a Given Object

By Alexander Buttner

Some Notes on Optical Glass

An Outline of Manufacturing Processes

By S. Lamb

Hard Paper Insulators

A Mechanism of Protection against Bacterial Infection

Rockefeller Institute for Medical Research, New York

By Carroll G. Bull

The Region of the Greatest Snowfall

Facts, Conditions and Statistics of General Interest

By Andrew H. Palmer

Oil-Mixed Portland Cement Concrete—II

Notes on the Preparation and Use of a Valuable Building Material

The Consumption of Shells

The Alternating Current Single-Phase Induction Motor

A Simple Explanation of How It Runs and Why It Runs

By A. E. Watson

Our Merchant Marine—II

What It Has Been, What It Is and What It Ought to Be

Stammering, Its Own Explanation

By Ernest Tompkins

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    February 05, 1916

    Complex Causes. Alternative Solutions.