Envelope Problems of the Dirigible Constructor, Shasta Strawberry Vines and more

Handling Grain by the Boat-Load

Machinery Installed at New Orleans for Keeping Down the Shipping Costs

From the Frozen Arctic to the Polisher's Bench

The "Role" Which Walrus Hide Plays in Giving a Fine Finish to Metals

Merchant Marine Progress

Some Details of a Performance That Has Shown Its Heels to Publicity

Hybrid Vigor and its Meaning

Significant Experiments in Corn at the Connecticut Agricultural Experiment Station

Our Technical Achievements in the Great War--VI

The Test of Two Hundred Days of Battle

Naval Radio Remote Control

What the Navy is Doing to Minimize the Nightmare of the Radio Operator--Interference