Two-Pan Balance 27 May 2017, 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! Parallelogram mechanisms are applied for this type of balances. Disadvantage: there is error due to possible eccentricities between the masses and the pans. « previous mechanism Drawing Ellipse Mechanism next mechanism » Mechanical Telescopic Cylinder load comments Please enable JavaScript to view the comments.