LEVER APPARATUS, WOODEN (0111) A wooden meter rule, graduated in millimeters and reading every centimeter used as lever with its fulcrum at it center. Fulcrum pivoted on a stand with the meter rule having holes 25mm apart all along length. Two hangers included with mounting pins that can be suspended from any of the holes on either side of fulcrum and are used for hanging the masses. Supplied with two mass hangers of 1 DOg each Qty :