00915nam0-22003011i-450-99000051144040332120080225092517.0000051144FED01000051144(Aleph)000051144FED0100005114420020821d1954----km-y0itay50------baenga-------001yyRotating amplifiersthe amplidyne, metadyne, magnicon and magnavolt and their use in control systemsM. G. SayLondonGeorge Newnes1954152 p.ill.24 cmElectrical engineering progress seriesAmplificatori magnetici rotanti621.313'2Say,Maurice George27327ITUNINARICAUNIMARCBK99000051144040332110 F I 1543246DINELDINELRotating amplifiers330434UNINA