A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t5.57

v1.c12.t5.57

(2) The following process is given both in the "Rasendrachintámani" and "Rasendrasársamgraha": "Rub lead with the juice of *Adhatoda vasica* and melt it in an earthen pot add to it one fourth its weight of the ashes of *Adhatoda* and *achyranthes aspera* and stir the mass with a rod *Adhatoda vasica* and heat over a fire. Repeat the process seven times. The lead will be turned to vermilion-like powder."