Airship

by Percy F. Westerman, Dons Ebooks (Created by)

Overview

What is known in navigation as Great Circle Sailing," replied Bramsdean. "If a start is made somewhere on the 50th parallel North, the halfway time will be somewhere 50 degrees South, with a difference of 180 degrees of longitude

Product Details

BN ID:	2940015551228
Publisher:	Dons Ebooks
Publication date:	10/03/2012
Sold by:	Barnes & Noble
Format:	eBook
Pages:	186
File size:	107 KB
Age Range:	9 - 12 Years