Anandakanda 1.26.86

1.26.86

<24. ḍhekīyantram>
bhāṇḍakaṇṭhādadhaśchidre veṇunālaṃ vinikṣipet /
kāntakāṃsyapātradvayaṃ kṛtvā sampuṭaṃ jalagarbhitam //

<24. The Lever Apparatus (ḍhekīyantra)>
One should insert a bamboo pipe into an aperture below the neck of a jar; / making a sealed cavity out of two vessels of magnetic bell-metal containing water inside,