The Compendium of Suśruta 1.45.7

1.45.7

tatrāntarīkṣaṃ caturvidham / tadyāthā dhāraṃ kāraṃ tauṣāraṃ haimamiti / teṣāṃ dhāraṃ pradhānaṃ laghutvāt tat punardvividhaṃ gāṅgaṃ sāmudraṃ ceti / tatra gāṅgamāśvayuje māsi prāyaśo varṣati / tayordvayorapi parīkṣaṇaṃ kurvīta śālyodanapiṇḍamakuthitamavidagdhaṃ rajatabhājanopahitaṃ varṣati deve bahiṣkurvīta sa yadi muhūrtam sthitastādṛśa eva bhavati tadā gāṅgaṃ patatītyavagantavyaṃ varṇānyatve sikthapraklede ca sāmudramiti vidyāt tannopādeyam / sāmudramapyāśvayuje māsi gṛhītaṃ gāṅgavadbhavati / gāṅgaṃ punaḥ pradhānaṃ tadupādadītāśvayuje māsi / śuciśuklavitatapaṭaikadeśacyutamathavā harmyatalaparibhraṣṭamanyairvā śucibhirbhājanairgṛhītaṃ sauvarṇe rajate mṛnmaye vā pātre nidadhyāt / tatsarvakālamupayuñjīta tasyālābhe bhaumam / taccākāśaguṇabahulam / tat punaḥ saptavidham / tadyathā kaupaṃ nādeyaṃ sārasaṃ tāḍāgaṃ prāsravaṇaṃ audbhidaṃ cauṇṭyamiti //