A Concise History of Science in India c4.8

c4.8

| | | *Page* |
| 5.5. | Sketches of some ancient iron objects found at Hastināpura, Taxila, Sisupalgarh and Ujjain . . . . | 288 |
| 5.6. | Sketches of some ancient glass specimens . . . | 293 |
| 5.7. | Map showing the distribution of the Painted Grey and Northern Black Polished wares . . . | 297 |
| 5.8. | Schematic representation of a native copper-smelting furnace at Singhara near Khetri in Rajasthan (1831) | 300 |
| 5.9. | Sketch of the remains of a furnace for forging iron objects at Ujjain (period II) . . . | 301 |
| 5.10. | Possible form of the furnace used by the ironsmiths of south India . . . . . | 303 |
| 5.11. | The four ‘elements’ of the Greek thinker, Empedocles . | 311 |
| 5.12. | The *rasaśālā*—an artist's impression . . . | 329 |
| 5.13. | The *koṣṭhi* . . . . . . | 331 |
| 5.14. | The *dolā yantram* . . . . . | 332 |
| 5.15. | The *svedanī yantram* . . . . . | 332 |
| 5.16. | The *adhaḥpātana yantram* . . . . | 332 |
| 5.17. | The *tiryakpātana yantram* . . . . | 333 |
| 5.18. | An efflorescence of *pūnīru*; (inset) *aṇḍakkal* . . | 336 |