00863cam a22002891 4500 7900599 BD-DhUL 20150118114834.0 741114s1951 xx 000 0 eng 51007671 GB51-7923 (OCoLC)1076039 DLC OT Uk DLC BD-DhUL premarc TK2789 .A3 621.31363 ADP Adkins, Bernard. Polyphase commutator machines / by B. Adkins and W. J. Gibbs. Cambridge : University Press , 1951 . xiv, 230 p. ill. ; 22 cm. Bibliography: ( p. 225) and index. Electric motors, Polyphase. Commutation (Electricity) Gibbs, W. J., joint author. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK 32647 32647 0 0 ddc 0 621_313630000000000_ADP 0 NFIC 61352 DUSL DUSL GEN 1954-10-14 gift 621.31363 ADP 85933 2015-01-18 2015-01-18 BK