?? ????? ? ????? ??? ???? ???????? ?????? ?? ??? ???? ??????? ? ????????? ?? ???????? ??????? ? ????? ?? ????? ?????? ?? ???? ?????? ???? ??????. August Förster upright piano Upright pianos, also known as vertical pianos, are more compact because of the vertical composition of the frame and strings. The mechanical action framework on the upright