Technical World Magazine - June 1915

Front Cover, Technical World Magazine, Vol. XXIII, No. 4, June 1915.

Front Cover, Technical World Magazine, Vol. XXIII, No. 4, June 1915. GGA Image ID # 1a024ca618

The June 1915 issue of Technical World featured articles on Why You Are Rich or Poor, Men Who Probe the Infinite, Our First Submarine Loss, Squeezing Gasoline from Gas, and more.

Technical World Magazine was the 1915 version of the Popular Science and Mechanics Magazines of today. Nice glimpse of historical science, inventions, life and items in the news -- written for a general audiance.


The Volcano That Fought for the Nation

by Merwin Delaway

Many people are surprised to learn that the real defenses of our Pacific Coast cities lie thousands of miles over the ocean to the westward. The keystone of this distant system, and how it operates, is herewith described424

Why You Are Rich or Poor

by Martin D. Stevers

Instead of the thousand and one usual explanations offered for this problem, we present herewith some really fruitful suggestions that will afford genuine help to anyone who is anxious to get ahead - Page 430

Men Who Probe the Infinite

by William T. Walsh

A few devoted scientists, who spend their lives in work that yields no money or results of material value, do not see how their chosen occupation involves the great romance portrayed in this article - Page 436

Our First Submarine Loss

Pictures of the significant and tragic loss of the F-4, which brought sorrow not only because of the brave men who died, but because, until it happened, the United States was distinguished from other powers in that it had lost no submarine craft - Page 442

Fifty Shops Given to Clerks

by Harry H. Dunn

A striking example of the sort of practical philanthropy that benefits the recipient and the community, is this magnificent gift valued at half a million dollars, which was made to his employes by a New Orleans business man - Page 444

Actors in the Great War Drama

Men and machines that are taking prominent parts in the shifting scenes of the great struggle - Page 449

Squeezing Gasoline from Gas

by C. H. Claudy

For many years, untold millions have been thrown away because the process here described was not known - Page 454

To Turn New York into a Forest

by J Burr Bell

Why and how efforts are now being made to change the greater part of this State into densely wooded country - Page 457

Real Color Photography at Last

by George Frank Wörts

A new process perfected by the father of color printing methods, that solves the problem of taking colored pictures, is here described - Page 459

Concrete Sea-Wall Battered Down

by Charles Alma Byers

Where Nature once more taught man that he is not supreme - Page 461

Picturing the Silkworm at Work

by Hanby Carver

How scientists and anaesthetics played a part in procuring films which show this unique feature of animal life - Page 468

Wins Wealth with a Hose

by George B. Dolliver

A single stream of water that in two years created a fortune for a plucky engineer - Page 471

Radium to Aid the Farmer

by Robert H. Moulton

The reason why the most expensive substance on earth has been enlisted in the fight for more and better crops - Page 472

Scenery to Order

by Charles W. Meighan

An unusual case where asoulless corporation" enhanced rather than destroyed the natural grandeur of the canyon in which it set up its power plant - Page 474

The Bad Man of the Movies

By Harold Cary

How a certain actor amassed a fortune by appealing to an obscure but powerful trait in American character - Page 480

Watching the Auto Grow Up

By Carl Howard

Tendencies that are influencing designers and buyers, and shaping the automobile of the future - Page 485

The Machine That Thinks

By C. M. Morrison

This marvelous device surpasses all other so-called "thinking machines", because it really possesses features characteristic of the human intellect - Page 492

Railroad Taps Death Valley

By Burton Anderson

An engineering feat that robs the most deadly spot on the North American continent of its terrors - Page 498

Cafeteria for Hogs

By Frank G. Moorhead

How the despised "porker" disproved the pet theories of scientists when he was given a chance to show what he could do for himself - Page 501

Sticks for Train Orders

By Von Clayton Miner

The old Grecian method of handing a sta , or reed, from runner to runner, has been adopted for controlling tragic movements on a great railroad - Page 506

A Few Episodes

Unique and startling ways in which members of the various armed forces of Europe are risking their lives, shown in photographs - Page 508

Made by Our Readers

Twenty-five dollars distributed among seven prize winners - Page 513

Banishing the Lockjaw Horror

By Donald Wilhelm

How the Great War gave an American scientist an opportunity to rob this most gruesome disease of its terrors - Page 518

To Help the Weather Man Guess Better

By F. W. L. Peebles

A new device that warrants us in expecting better guesses in the future - Page 520

Blowing off Steam

The best humor found in our contemporaries - Page 526

Technical World Magazine should be on the news stands on the 17th of the month preceding the date of issue. If unable to get the magazine on the 17th you will confer a favor by notifying the Circulation Manager. News-stand patrons should instruct their Newsdealer to reserve their copy of Technical World, otherwise they are likely to find the magazine "sold out".

TERMS: $1.50 a year; 75 cents for six months; 15 cents a copy. Foreign postage, 75 cents additional; Canadian postage, 25 cents additional. Notice of change of address should be given thirty days in advance to avoid missing a number.


Publication Office: R. T. MILLER. Jr., Publisher Eastern Advertising Office:

Drexel Avenue and 58th St., Chicago 1702 Flatiron Building. New York

Copyright, 1915, by Technical World Magazine

Published monthly—Entered at the Postoffice, Chicago. Ill.. as second-class mail matter

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