Anandakanda 1.26.143

1.26.143

sacchidre ca ghaṭe nālaṃ bhāṇḍacchidre niveśayet /
ghaṭamadhye puṭaṃ dadyānnālādho ghaṭikāṃ nyaset //

And in a jar having a hole, one should insert the tube into the hole of the pot;
one should apply fire-treatment inside the jar, and place a small jar below the tube.