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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

A 5,OOO-Horse-Power Chain Drive

Grenades, Rifle and Hand

Missiles Used in Close Range Fighting

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

Telephoning from the Body

Some Notes on Optical Glass

An Outline of Manufacturing Processes

By S. Lamb

A Mechanism of Protection against Bacterial Infection

Rockefeller Institute for Medical Research, New York

By Carroll G. Bull

Hard Paper Insulators

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