History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c38.s4.8

v1.c38.s4.8

For first set, length of the beam = 8 aṅg, weight = 1, ironpala = 48 māṣa, and diameter = 1, then density (D) in māṣa per unit anguli is expressed as π (1/2)² . 8 . D = 48
So, D = 24/π = 24x7/22 = 7.64 [taking π = 22/7]