The lengths of the links comply with the condition: A͞B=B͞C=B͞D=B͞E=E͞G=D͞G=G͞F=G͞H=F͞K=H͞K=K͞L. Slider 1 moves along fixed guides a-a. Points D and F travel along straight line Ax which is perpendicular to the axis of guides a-a. The velocity of point F is twice that of point D and their motions coincide in direction.
$1533$SC,ML$