(A)
Comprising three limbed glass tube mounted on polished wooden stand with
scale in cm and mm. The column height readings are facilitated by means of
sliding stand, which can be lifted upward and downward so that their lower
ends just touch the free surfaces of the liquids, complete with rubber tube
and pinch clip.
(B) HARE'S TUBE: - unmounted glass tube, limbs 600mm x
10mm Dia, with a third short limb for connecting a suction tube.