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white, black and red tinges, which is hard and becomes blackish even on washing it well. The Nepalese copper is glossy, soft, red and does not break by the hit of a hammer. It is heavy in weight and its colour does not turn black. 1
The process of copper-making z The process of copper making is described in the Suvarna Raupya Siddhi sastra in the following manner. (1) Take a wing of peacock 10 Srs., put it into an earthen pot, next put
teliu borax tā. 3 into it, cast the powder of the wing of the peacock • 5 srs, again inside over it. Heat the pot by litting fire. There comes
up copper ţā. 3 out of the powder of the wing of the peacock in the pot. If it does not become silver-like, take out copper by washing
with borax.? (2) Wash the earth of earth worm and take out the stones. Next make
powder of the wing of peacock by cutting it into pieces with a **scissor. Then put this powder into cowdung and get it dried up in
the shade. Next put it into an earthen pot and seal it up, make
fire, i.e. put it on fire. When the burning stops, take it out. On washing i ashes the stones come out. Mix up the stones of the previous earth,
then heat them by putting them in a crucible. Next melt them. Copper
comes up.8 (3) Put cinnabar ganāvādi (pai)-4 bhār and oil janāvādi 3 bhār into
an earthen bowl. Put pieces of cinnabar and oil janāyādi 3 into it and close it. Put a layer of cloth and clay over it, give it fire of dry wild cowdung cakes-3 srs. Do it thus 42 times.
Take sutut tola-1 and são (sūto)=pārā ? (tola)-1 and next prānu tos. 1; put that sūtu 3 by adjusting (Pressing). Mix longer pipper 10, semen of ox 10, cinnabar 5, realgar 5 and orpiment 5, into the juice of kakası (Sisym brium irio linn) for 14 praharas. Next put the whole thing into a small box of zinc actually weighting pai. 4 and put 7 layers of cloth and put 7 layers' of cloth and clay over it. Dry it up on fire for 1 prahara. 1. Sitakrsnācchāyamtivāmi Kathorakam /
Kşālitam ca punaḥ kṣşņametanmlicchakatāmrakam / Susnigdham mrdulaṁ śoṇam ghanāghātakṣaṇam guru / Nirvikāram gura śreştham tāmram Nepālamucyate 11,
RS. 4/43-44 2. SRSS, Ch. III. 61, 3. Ibid. Ch. 4. 1. 25, . 4. Not identified.
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