A balsa wood glider is really easy to make despite the physics involved on its flight. Make one yourself and have a ton of ...

Folded plate in envelope on inside of back cover. SHIP MODEL BOOK HOW TO BUILD AND RIG MODEL SHIPS WITH A SPECIAL SET OF FULLSIZED PATTERNS FOR THE FAMOUS SHIP BENJ F PACKARD BY GEORGE B DOUGLAS AND ...

The primary work of an experimental model basin is the estimation, with reasonable accuracy, of the resistance and horse-power of full-sized ships from experiments with small and inexpensive models.