Anandakanda 1.15.167

1.15.167

sauvarṇaṃ paṇamātraṃ ca dvipaṇaṃ rājataṃ bhavet /
paṇārdhaṃ śulbacūrṇaṃ ca dvipaṇaṃ nāgavaṅgajam //

gold calx should be just one paṇa; silver should be two paṇas; / copper powder half a paṇa; and two paṇas of lead and tin calx;