Centrifuge Tube, Conical Bottom, With Interchangeable Stopper, Graduated

For parallelogram and polygon of forces. A strong drawing board 750 x 600 mm, fitted with brackets for fixing to a wall. Clear space is left all round the edges for attachment of pulleys etc., supplied with pulleys, cords but without masses.

Brass, plated. With loop on one side and hook on the other side.