000			00534nam a22001937a 4500
001			9926
008			190110s1913 enk||||| |||| 00| 0 eng d
041			_aeng
080			_aA/622.48/S52
110			_919807 _aSiemens Brothers Dynamo Works Limited
245			_aElectricity in mining
260			_aLondon _bCharles Griffin and Company _c1913
300			_a201 p. _bilus., láms.
650			_96780 _aELECTRICIDAD
650			_919806 _aINSTALACIONES ELECTRICAS
650			_9173 _aMINERIA
910			_aRNUÑEZ _b38868
942			_2z _cLIBR
999			_c9926 _d9926