Skip to main content


In Defense of the America's Cup

By Herbert L. Stone

Plastic Model of Ancient Rome

Diving in Coral Gardens

A Scientist Works Beneath the Clear Waters of the Coral Reefs of the Bahamas

By Roy Waldo Miner

600 Wheels an Hour

An Efficient Set-Up of Special Machinery and Gravity Conveyors Makes It Possible to Turn Out Motor-Car Wire Wheels at this Speed

The Sterilization Law in Germany

By C. Thomalla

Excavations at Ur

By C. Leonard Woolley

Beach Blasting

By Stephen J. Ryan

Stars on Parallel Tracks

By Henry Norris Russell

Building the World's Largest Aqueduct

How it is built

By Robert D. Speers

Color Filters

Provide the Advanced Amateur Photographer With a Fertile Field for Experimenting

By Walter Clark

Sundials and their Construction--VI

Lines of Declination; Signs of the Zodiac

By Margaret Walton Mayall and R. Newton Mayall

Why the Battleship?

Concluding Article of a Two-Part Discussion on the Battleship as a Necessary Naval Unit

By Jonas H. Ingram

Telescope Making

New Hobby Clubs Create Constantly Spreading Interest in


  • Departments

    Across The Editor's Desk, September 1934

  • Back of Frontispiece, September 1934

  • The Great Chimu Fortress of Paramonga, in Peru

  • Our Point of View, September 1934

  • Remote Control for Arc Welders Cuts Costs, Silver Soap and more

  • Current Bulletin Briefs, September 1934

  • Books Selected by the Editors, September 1934

  • Triplex Patent Valid and Infringed, Radio Advertising Censored and more

Purchase To Read More

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