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Kavacıyantra,' Sineyantra", Tikaliyantras, Sāteyantra*, Bhubharayantra Nalaniyantra, Ghājhoyantra? Thaliyantra7x and some crucibles. But a detailed decription of their construction has not been given in this work as is found in other Indian works on Rasāyanavidyā such as Rasārņava, Rasaratna Samuccaya. etc. The above-mentioned apparatus are common to the list of Janina, Baudhha and Hindu alchemical works.
Dolikāyāntra
(The medicine)-Mercury, etc, tied in a piece of cloth is suspended with a thread from a rod placed across the mouth of a pot half-filled with liquid, (Kșāra, amla, kāñji etc.) The liquid is allowed to boil in the pot having its mouth closed (covered) with a layer of cloth and clay and the medicine is heated by its vapour as a result of gentle fire given under the pot. This is called Dolikayantra.?
Veluyantra or Vālukā or Velukāyantra
The process of construction of a Vālukāyantra is this that “A glass flask with a long neck containing mercurials is to be wrapped up with several folds of cloth smeared with clay and next it is to be dried in the sun. It is to be buried up to three fourths of its length in sand placed in an earthen pot, whilst another pot is to be placed invertedly over it”, the
1. Ibid., Ch. 4. 1; 12. 3, 2. Ibid; Ch. 6. 31; 3. Ibid., Ch. 5. 1.: 4. Ibid., Ch. 4. 48. 5. Ibid., Ch. 11. 11. 6. Ibid., Ch. 5. 6, 7. Ibid., Ch. 3.84 7x. Ibid Ch. 3.66. 8. Ibid. Ch. (2. Comm.); Ch. 7.16; 11. 11. 1; 11. 2.35; 11. 2.36. 9. Dravadravyena bhāņdasya pūritārdhhodarasya ca.
Mukhe tiryakkşte bhānde rasaṁ Sūtrena lambitam/ Taṁ Svedayet I talagataṁ Dolāyantramiti Smstam//. Rasārnava, pāta I, IV./7. Dravadravyeņa bhāņdasya pūritārdddhoda Kasya ca/ Mukhasyobḥayato dvāradvayamkřtvā prayatnataḥ// Tayostu niksipeddaņdam tanmadhye rasapotalim Badhyā tu svedayedetaddolāyantramiti smộtam // , Rasaratna Samuccaya 9/3–4.
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