Download or read book Inside Submarines written by Chris Oxlade and published by Hungry Tomato ®. This book was released on 2017-08-01 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: Believe it or not, submarines date back to the seventeenth century! Discover how they developed from early designs such as the one-person Turtle into streamlined, stealthy warships. Along the way, you'll look right inside a German U-boat, find out how a sub dives and surfaces, and see sonar systems and video periscopes at work. From torpedoes to nuclear reactors, learn how submarine technology and strategy have changed throughout military history, and experience life under the waves.