The Testing of Torpedoes, Sirup of Grapes as a Substitute for Sugar, and more

Front page article on torpedo testing
and more

Naval and Military- September 15, 1917

Short notes.

Aeronautical- September 15, 1917

Short notes.

Science- September 15, 1917

The Submarine Problem--XIV

Saving Ships With Paint and Smoke

Lengthening the Life of Wood

Cooking Logs in Creosote to Prevent the Inroads of Decay

Plant Products for Every Purpose

How Our War Machinery Will Bring Together the World's Knowledge of Growing Things

Bringing in the Foreign Buyer

How Shall We Compete With Europe in This Essential After the War?

Hay Fever

"Shooting" the Photoplay

An Introduction to the Motion Picture Camera-man and his Art

Glue Jackets for Disagreeable Medicines

How Gelatin Capsules are Manufactured

The Biggest Bear Known

A Wonderful Water Plant, The Current Supplement, and more

Making Your Mark