?? ?????????? ??????????? ??????? ????? ??? ????? ???.??? ?: ???? ?? ?? ?? ??? ?? ?? ???? ????? ?? ?????? ???? ???????? ?????? ??? ???. ??: ?????? ???? ?????? ??? ?? ???? ??? ?? ??? ???:Drawing by Christiaan Huygens of one of his initially equilibrium springs, which can be connected to the stability wheel Hooke built essential contributions on the