Helicopters Before Helicopters

By E.K. Liberatore

Covering vertical-rising aircraft as envisioned from the earliest concepts to the period when the helicopter became practical machine in the 1930s, this text focuses on the many pioneering ideas and... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 157524053X
• ISBN13: 9781575240534
• Release Date: September 1998
• Publisher: Krieger Pub Co
• Length: 310 Pages
• Weight: 2.80 lbs.
• Dimensions: 11.5" x 1.3" x 8.8"