Pulleys Systems Different Type

A) First systemof pulleys: with four single pulleys all brass of 5 cm with string and two pans But w i t h o u t pulley frame and without weights.
B) Second System of Pulley: With two triple long pulley (large pulley 5cm.dia middle pulley 4 cm, and small pulley 2 cm dia) all brass with two scale pans(but without pulley frame) Without weights.
C) Third System of Pulley: Having 5 cm dia four all brass pulleys with two scale pans(without pulley frame) and without weight sets.
D) Pulley Frame with metal uprights but with wooden base. Over all height about 80cm. suitable for all the above 3 experiments.