ðə mˈoʊɾɚz hæd dˈʌbəl ˈɑːɹmətʃˌʊɹz sˌoʊ ðɛɹwˌɜː fˈoːɹ "dˈɛmimˈoʊɾɚz" wˌɪtʃ ɐlˈaʊd θɹˈiː mˈoʊɾɚ ɡɹˈuːpɪŋz: fˈʊl sˈɪɹiz, sˈɪɹizpˈæɹəlˌɛl ænd fˈʊl pˈæɹəlˌɛl.
The motors had double armatures so there were four "demi-motors" which allowed three motor groupings: full series, series-parallel and full parallel.