History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c39.s3.18

c39.s3.18

3. This proto-atom, the atomic *akasa*, charged with its actual specific energy, again disintegrates and emanates, under the action of the original Energy and in the menstruum of the rudiment-matter (*super-subtile Mass*), and thus evolves another kind of subtile matter (*tanmatra*) which becomes charged with the touch-potential (the *potential* of impact or mechanical pressure), in addition to the sound-potential, and is called the unit of touch-potential (*sparsha-tanmatra*).