Anandakanda 1.24.72

1.24.72

<pañcamaḥ prakāraḥ>
sūtakaṃ gandhakaṃ tāraṃ meṣavallīvasā samā /
tridinaṃ mardayellakṣaṃ vaṅgaṃ pādena lepayet //

<The fifth method>
Quicksilver, sulphur, silver, and fat of meṣavallī in equal parts / one should grind for three days a hundred thousand times, and coat tin with a quarter part.