References

RRÅ, R.kh., 2, 13.2
  jambīrāṇāṃ dravairvātha pātyaṃ pātālayantrake //Context
RRÅ, V.kh., 13, 49.0
  puṭādvā dhamanād grāhyaṃ sattvaṃ pātālayantrake //Context
RRÅ, V.kh., 17, 25.1
  mardayitvārdhayāmaṃ taṃ drāvyaṃ pātālayaṃtrakaiḥ /Context
RRÅ, V.kh., 17, 48.1
  aṣṭāhād grāhayet tasmāttailaṃ pātālayaṃtrake /Context