Anandakanda 1.26.91

1.26.91

niruddhaṃ vipacedetannālikāyantramīritam /
<27. pātālayantram>
susaṃdhisaṃdhitaṃ kṛtvā divyabhāṇḍe tu sammukham //

sealed and cooked—this is called the tube apparatus (nālikāyantra).
<27. The Subterranean Apparatus (pātālayantra)>
Having sealed it well at the juncture face-to-face in a splendid jar,