... simplest formas a direct link connection between theindicator and the actuating drive.However, the force amplificationbetween the indicator and the drive is rel-349Sclater Chapter 10 5/3/01 ... the windup reels to allow for wire build-up.Sclater Chapter 10 5/3/01 1:07 PM Page 351352DRIVES FOR CONTROLLING TENSIONMechanical, electrical, and hydraulic methods for obtaining controlled ... these, such as cams, rollers, push-rods, and traveling nuts, are described and illustrated.358Sclater Chapter 10 5/3/01 1:08 PM Page 358359Sclater Chapter 10 5/3/01 1:08 PM Page 359360Limit...