History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c18.s2.t1.7

v1.c18.s2.t1.7

For *‘Mahauṣadhāyaskṛti’* strongly heated pieces of thin iron sheets are quenched in the decoction of *Śālasārādi-gaṇa* drugs kept in a boat shaped palāśa wood tub for twenty one times. On cooling so treated iron pieces are ground to a fine paste from with the above decoction. Now mix 1/4th part of above decoction with it and fill it in an already prepared earthen pot. Add *Pippalyādi Cūrṇa* in a quantity sufficient to develop a pungent taste of the liquid or equal to Iron paste or in double amount. Keep it in a calm place for one month or as required. It is known as *‘Mahauṣadhāyaskṛti’* similar to *Āsavāriṣṭha* preparation.