bulletin science figure 49siemens magneto generator using his shuttle armature the armature coil hh was wound upon the armature core fgf from e w siemens quotueber eine neue construction magnetoelektrischer ma schinenquot annakn der physik 1857 vol loi fig 2 the cylinder long with respect to the diameter another modification was that instead of the single coil of wire as in the siemens armature there were now 16 coils that had their terminals reversed twice each revolution the 2 part commutator of siemens was accordingly replaced by a 16 part one the coils we rh01pa.jpg from desi armature sexla 2015 উং View Photo