International Library of Technology (134B)- DC motor & generators,resistance and currect measure,AC,,battery英文原版 1922年 插图丰富-本册关于直流电机/发电机及原理和测量,交流电路装置及电池 书口三面刷红 有"李氏炳星"朱印 稀见, 布面精装小16开 高级道林纸 ,3,5CM厚 较重
Electricity&magnetism theory of DC generators and motors,risistance,DC measuring instrucments,AC Alternators,transformers,rectifiers,AC motors and synchronous converters,applications,storage batteries
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