History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c38.s2.t1.26

2nd series: 1.69 gms, 3.39 gms, 7.72 gms, 15.44 gms, 18.04 gms, 27.12 gms, 54.24 gms, 108.48 gms. and so on. (when 1 pala = 48 māṣas).