Two-Pan Balance 24 December 2016, 19:00 Sorry, your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! AE/AF= BD/CD Yellows pans are always approximately horizontal and move approximately vertically. Possible eccentricities between the masses and the pans do not cause weighing error. « previous mechanism Cable Drive next mechanism » Friction Cone Variator load comments Please enable JavaScript to view the comments.