000 002810000a22001210004500
245 _aThe dynamo its theory, design and manufacture
100 _aHawkins, C.C.
250 _a6th ed.
260 _aLondon
_bPitman
_c1925
080 _a621.313
_bH3
041 _aEN
942 _cBK
999 _c111514
_d111514