This machine has brass pipe upright 240cms (8 ft.) long graduated in cms. Metal fittings and arrangement for exact adjustment, vertical and horizontal. No dropping platform. Electric release weights start falling instantly circuit is broken. Wheel of aluminium 10cms. Diameter is carefully adjusted and balanced on steel agate bearing; platform with sliding weights and over weights.

A chrome plated steel bar 100 x 3.75cms chromium plated bored at equal intervals of 50mm and provided with removable knife edge. Complete with wall bracket.

10mm side in plastic case, set of 7.

Borosilicate glass cylinder with overflow spout.