602 Our Surroundings 



scope is always mounted. Any force applied to a gyroscope in an 

 attempt to change its position is met with great resistance. These 

 two features of a gyroscope its tendency to keep its position 

 and its resistance to a force are utilized in many useful ways. 

 Gyro-stabilizers. If you have ever been seasick, or have 



Sperry Gyroscope Company. 



A GYRO-STABILIZER 



This huge stabilizer, weighing 220 tons, was installed, with two others just like it, 



on the Italian liner Contc di Savoia. When the ship starts to roll, the big gyroscope 



wheel within each of the stabilizers counteracts the rolling movement and keeps the 



ship on a fairly even keel. 



