Division 5 APPARATUS United Kingdom Original text. Later amendments are not shown. 5.1Division 5.1 5.2Division 5.2 5.3Division 5.3 5.4Division 5.4 5.5Division 5.5 5.6Test tubes, pyrex or equivalent (dimensions 25 x 150 mm). ← Division 4.6 Division 5 Division 5.1 →