Metal / Materials and reference

     Process of preparation

1.  Darpana for Kiranaakarshana yantra

     or Solar ray capturing mirror – in

     pariveshakriyaa yantra

Prescribed ingredients in specified proportions purified and mixed ® filled in frog-shaped crucible ® placed in frog shaped furnace ® use two winged Bellows and melt up to 300° d ® pour the molten liquid in to mould. 

2. Prathibhimba-Arka-Kiranakarshana

    Naala.

    For attracting reflections of solar

    Rays.

   Text:  Nallika nirnaya

Prescribed ingredient in specified proportions purified and mixed ® filled in Samavargika crucible ® placed in Samavargika furnace ® using Suragha bellow melt up to 315° ® pour in to receptacle ® darpana suitable for attracting reflected solar rays is obtained.

3. Sunda-mud made glass in puspini –

    -yantra.

    Text: Parthiva paka kalpa

Prescribed ingredients in specified proportions purified and mixed ® filled in crucibles ® heat in Tortoise shaped furnace for 32 times at 100° using 2 faced bellows ® pour in to cooling yantra to get the mirror.

4.      Abhra-mrid Darpana in Padma

       Chakra Mukha yantra.

       Text: Yantra sarvasva and

       Darpanaprakarana.

Prescribed ingredients in specified proportions purified and mixed ® filled in crucible ® placed in Varrathakunda furnace ® boiled to 200 ° and poured in to mould

5.      Cold producing cristals in pushpini --yantra.

Text: Maniprakarana

Prescribed ingredients in Specified proportions purified and mixed In Mritkundala moosha ® heated in Kula kundika furnace ® using Trayambaka bellows up to 300° ® pour the boiled liquid in to crystal forming yantra to get pure hard and intensely cold crystal

6.      Vaataayanee metal or window metal

In Pinjoola Adarsha Yantra.

Prescribed ingredients in specified proportions purified and mixed ® filled in crucible and heated in furnace up to 100° ® pour and cool.

7.      Suranjitaadarsha Darpana in

      Guhagarbha Yantra.

       Text: Darpanaprakarana.

Prescribed ingredients in  specified proportions purified and mixed ® filled in beaked crucible ® placed in Varaaha furnace ® using tortoise shaped bellows ® heat up to 100° and pour in to mould.

8.      Anjishta Tree (Madder root) in

      Guhagarbha yantra.

       Text: Aagatatwa Lahari

The wood of the tree best suited for capturing reflections.

9.   Dravapaatra or Acid vessel in

      pushpini yantra

     Text: Darpana prakarana.

Prescribed ingredients in specified proportions purified and mixed, filled in lotus shaped crucible ® heated in lotus shaped furnace using five mouthed bellows to 323° ® pour in to cooling yantra to get Sheeta ranjikadarsha or cold-receptacle glass.

10.  Panchadhara Loha in Guhagarbha--yantra.

       To make metal pivots in yantras.

        Strong and heavy

Prescribed ingredients in specified proportions purified and mixed ® filled in Mrugendra Moosha crucible placed in furnace ® using beaked bellows heat up to 300° ® pour in to the mould to get a fine alloy metals

11.  Paaragrandhika Drava.

       An acid for insertion of crystal 

       Chumbakamani in Guhagarbha    

       Yantra

Ingredients to be heated in big bellied earthen pot to yield drava shining like gold.

12.  Chumbakamani.

      One of the finest crystals to capture  

      Reflections—guhagarbha yantra.

      Text: Manipradeepika.

Prescribed ingredients in specified proportions purified and mixed, placed in Karpalaa crucible ® baked in furnace using owl nosed bellows up to 100° yields Chumbakamani.

13.  Image producing Niryaasa or 

       Roopakarsha Niryaasa or Special 

       Varnish ® a pigment for coating

       Ascreen-cloth in Guhagarbha

       yantra.

       Text: Niryasa Kalpa

Detailed process given in the text.

14.  Patadarpana in Guhagarbha yantra.

       Text: Darpanaprakarana.

Prescribed ingredients in specified proportions purified and mixed ®heated in a vessel up to 100° ® hold on a flat surface to obtain a sheet like cloth.

15.  Tamogarbha loha in Tamogarbha

       yantra.

      Against poisonous fumes and

      Dangerours rays from enemy.

      Light and strong

Prescribed ingredients in specified proportions purified and mixed, filled in fish shaped crucible ® placed in crow shaped furnace ® heat up to 100° and pour in to cooling receptacle.    It will yield fine darkness capturing metal

16. Vaatadhaarana Loha in 

      panchavaataskanda-Naala.

      Nice, soft, strong, cool, light metal.

Prescribed ingredients in specified proportions purified and mixed ® filled in Meayooka crucible ® placed in Jamboomukha furnace ® using Kakamukha bellows ® heat up to 102° ® cast in the yantra.

17.  Rowdree darpana in Rowdree

       darpana yantra.

       A flame-proof-glass.

       Text: Darpanaprakarana.

Prescribed ingredients in specified proportions purified and mixed ® filled in Padmasya crucible ® placed in Viswodara furnace ® heat up to 200° ® pour molten liquid in to a mould

18.  Vaatastambana metal in

       Vaatastambana Naala.

       Text: Lohatatvaprakashika.

Prescribed ingredients in specified proportions purified and mixed ® filled in Matsya shaped crucible ® placed in Maghima furnace ® using Vijrimbhana bellows ® pour in to the mould.

19.  Vidyut Darpana metal in

       Vdiyudarpana yantra.

       Text: For protection against 

       lightning from clouds.

       Yantrasarvasva, darpanaprakarana.