00915nam0-22003131i-450-99000051081040332120080220132058.0000051081FED01000051081(Aleph)000051081FED0100005108120020821d1937----km-y0itay50------baenga-------001yyConnecting and testing direct-current machinesF. A. Annett, A. C. Roe2nd ed.New York ; LondonMcGraw-Hill1937302 p.ill.24 cmMacchine elettriche a corrente continua621.313'2Annett,F. A.492071Roe,A. C.2731ITUNINARICAUNIMARCBK99000051081040332110 F I 862826DINELDINELConnecting and testing direct-current machines330400UNINA