Scientific American Magazine

Awe Inspiring to an Infinite Degree Are the Titanic Eruptions of Great Volcanoes

Fascinating Pseudo-cells Which Display the Non-Living Features of Protoplasm May be Made by the Amateur With a Few Chemicals

Few Realize How Many Factors Will Have to be Considered in Selecting Scientifically the Best Site for the New 200-Inch Telescope

To Protect Revenues and Give Better Service, Steam Railroads Adopt Motor Buses

Big Business Lays the Foundation for the Age of Mechanical Distribution of Merchandise

Gazogene, France's New Gas, Promises to Replace Gasoline As Fuel

The Wide-spread Use of Groundwood Pulp for Paper Has Endangered Many Records Which Should Be Preserved for Posterity

The Aurora Borealis Has Long Provided Science With One of Its Most Difficult Puzzles. This Problem is Now Giving Way Before Intensive Research

A Review and Commentary on Progress in the Medical and Surgical Fields

Personnel Is a Primary Element of Naval Strength. In This, the Final Article of This Discussion, the Author Points Out Our Need for More Men

Cast-Iron Chips and Borings Briquetted For More Efficient Re-melting

Few Mechanical Improvements But a Wide Variety of Body Designs and Colors Are Features for 1929

Steering Wheel Linkages, Castor Settings of Wheels, and Reasons for Wheel Wobble Are Discussed In This Installment

Sound Waves From Noisy Streets Deflected by New Ventilator Which Admits Silent, Fresh Air

To Preserve Scenic Beauty of the Falls, Simple Remedial Measures Are Recommended by Special Board

Modern Scientists Incline Strongly Toward the Theory That Petroleum Is a Product of Once Living Matter