Skip to main content


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

By Rozel Gotthold

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

By C. H. Claudy

Hybrid Vigor and its Meaning

Significant Experiments in Corn at the Connecticut Agricultural Experiment Station

By D. F. Jones

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

By P. H. Boucheron


  • Departments

    Correspondence - September 6, 1919

  • Inventions New and Interesting - September 6, 1919

  • Recently Patented Inventions - September 6, 1919

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top