A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c14.4

v1.c14.4

In the Chhāndogya Upanishad IV, 17,7. we also read: "as one binds gold by means of lavana (borax), and silver by means of gold, and tin by means of silver, and lead by means of tin, and iron by means of lead, and wood by means of iron, and also by means of leather." लवणेन सुवर्णं संदध्यात्, सुवर्णेन रजतं, रजतेन वपु, वपुषा सीसं, सीसेन लाहं, लोहेन दारु, दारु चर्माणा।