Hooks Law Apparatus
It consists of a scale mounted vertically on stand, a spring with pointer and provision to hang set of slotted weights.
(a) Mirror Scale 12cm long
(b) S.S. Scale 12cm long
(c) Plastic Scale 12cm long
(d) Mirror Scale 15cm long
(e) S.S. Scale 15cm long
(f) Plastic Scale 15cm long