00904    a2200181   4500003000500000005001700005010001300022040000900035082001700044100001800061245015600079250001100235260003400246300002300280505026300303600001800566650013800584Nust20230404154114.0  a62016401  cNust  a629.8323,AND  aAndrews, Alan  aABC’s of synchro's and servos /bcomplete coverage of how servomechanisms operate, and how they are used in automatic control systemscAlan  Andrews,  a1st ed  aH.W. SamsbIndianapolisc1962  a96 pbillusc22 cm  aIndividual Control System (Page-7), Position Transducers (Page-17), Synchro's (Page-28),Modulators And Demodulators (Page-46), Servo Amplifiers  (Page-55), Magnetic And Rotary Amplifies (Page-65), Actuators (Page-75), Analysis Of Complete Systems (Page-81).   aAndrews, Alan  aABC’s of synchros and servos; [complete coverage of how servomechanisms operate, and how they are used in automatic control systems