000 00438pam a2200145a 44500
082 _a621.313
_bSa9r
100 _aSay, Maurice George
245 1 _aROTATING AMPLIFIERS
_cTHE AMPLIDYNE, METADYNE, MAGNICON AND MAGNAVOLT AND THEIR USE IN CONTROL SYSTEMS
260 _aLondon
_bNewnes
_c1954
300 _a152
440 _aElectrical Engineering Progerss Series
_v
650 _aRotating Amplifiers
964 _gCIRC
997 _a2230 C
999 _c416084
_d416084