细节
Two Russian portable gramophones:
one with 6¼-inch turntable, swan-neck tone-arm and pivoted horn in lid, the other with 6-inch turntable, removable stright tone-arm and blue case (2)
one with 6¼-inch turntable, swan-neck tone-arm and pivoted horn in lid, the other with 6-inch turntable, removable stright tone-arm and blue case (2)