UNLIMITED Audiobooks and eBooks
Over 40,000 books & works on all major devices
Get ALL YOU CAN for FREE for 30 days!
The Sperry Gyro-Compass
The Sperry Gyroscope Co.
How does All You Can Books work?
All You Can Books gives you UNLIMITED access to over 40,000 Audiobooks, eBooks, and Foreign Language courses. Download as many audiobooks, ebooks, language audio courses, and language e-workbooks as you want during the FREE trial and it's all yours to keep even if you cancel during the FREE trial. The service works on any major device including computers, smartphones, music players, e-readers, and tablets. You can try the service for FREE for 30 days then it's just $19.99 per month after that. So for the price everyone else charges for just 1 book, we offer you UNLIMITED audio books, e-books and language courses to download and enjoy as you please. No restrictions.
For years magnetic compass designers spent their efforts to produce compensating devices that would annul the effects of all external influences, so that the magnetic compass would be free to indicate only the direction of the earth’s magnetic lines. Very little has been done to improve the compass itself—it still depends upon the attraction of the Magnetic North Pole. The Sperry Gyro-Compass differs in principle from any other compass. It is not magnetic. It derives its directive force, not from magnetic attraction, but f. . . Read More
Try now for FREE!
"Love your service - thanks so much for what you do!"
- Customer Cathryn Mazer
"I did not realize that you would have so many audio books I would enjoy"
- Customer Sharon Morrison
"For all my fellow Audio Book & E-Book regulars:
This is about as close to nirvana as I have found!"
- Twitter post from @bobbyekat