Liebigs Condensor

A, is a stoppered retort, the neck of which fits into the tube of a Liebig's condenser (B), which consists of a glass tube (C), fitted by means of corks into a glass, copper, or tin tube (D), into which a stream of cold water is passed by the funnel F. the heated water running out through the upper tube F. The water furnished bv the condensation of the steam passes through the quilled receiver G, into the flask H.

Heat is gradually applied to the retort by a ring gasburner.