Dropping funnel, 500 ml, graduated, joints size 29/32, stopcock 4 mm,

with pressure compens. tube
Dropping funnel, 500 ml, cylindrical, socket size 29/32, drain tube with cone size 29/32 and dropping point, with pressure compens. tube, graduated, PTFE-stopcock size 14,5/4 mm bore, borosilicate glass 3.3