Dc series motor coupled with spring balance load,dc shunt motor,dc compound motor with er and switch,synchronous motor with accessories like er, excitation arrangements.,single phase transformer, core type, air cooled,used dc generators-series, shunt and compound type for overhauling practice,a.c. series type motor,manual motor coil winding machine,primary current injection set,stepper motor with digital controller,smart meter 1 phase,smart meter 3 phase,oscilloscope dual trace