April 11, 1921

April 11, 1921

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The Development of Aircraft

By P. Jaray23 min

Who Owns the Air?

By M. W. Royse10 min

Standardizing Municipal Air Ordinances

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456457

The Development of Aircraft

With Special Reference to the Zeppelin Airships

By P. Jaray23 min

462463

Who Owns the Air?

Aerial traffic with its ever-widening spheres of activity is innocently laying the foundation for an intricate international entanglement. The problem of air sovereignty, with its diverse interpretations, ¡threatens to embroil the nations of the world in a long series of controversies.

By M. W. Royse10 min

466467

Standardizing Municipal Air Ordinances

When Maj. F. H. La Guardia, President of the Board of Aldermen of the City of New York announced that he was preparing an ordinance to regulate air navigation of New York City, he received requests from many cities for copies of the proposed ordinance.
464465

Balloon Racing

A Game of Practical Meteorology

By Ralph H. Upson7 min

468469

The New French Aviation Subsidies

470471

Naval Air News

Kite BaUoon Controls Target Practice
466467

Book Reviews

STRUCTURAL, ANALYSIS AND DESIGN OF AIRPLANES. (Issued by the Engineering Division of the Air Service.) This book has evidently been prepared with considerable care and thoroughness, ft will prove extremely valuable to all designers of aircraft.
472473

General Menoher on Commercial Aeronautics

454455
Editorials

The Caproni Epoca

468469

A Letter

By J. C. MCCARTHY3 min

April 41921 April 181921