Kautilya's Arthashastra 2.20.6

2.20.6

aṣṭau yavamadhyā aṅgulam //

THE Superintendent of lineal measure shall possess the knowledge of measuring space and time. 8 atoms (paramánavah) are equal to 1 particle thrown off by the wheel of a chariot. 8 particles are equal to 1 likshá. 8 likshás are equal to the middle of a yúka (louse) or a yúka of medium size. 8 yúkas are equal to 1 yava (barley) of middle size. 8 yavas are equal to

1 angula (¾ of an English inch) or the middlemost joint of the middle finger of a man of medium size may be taken to be equal to an angula. 4 angulas are equal to 1 dhanurgraha. 8 angulas are equal to 1 dhanurmushti. 12 angulas are equal to 1 vitasti, or 1 chháyápaurusha. 14 angulas are equal to 1 sama, sala, pariraya, or pada. 2 vitastis are equal to 1 aratni or 1 prájápatya hasta 2 vitastis plus 1 dhanurgraha are equal to 1 hasta used in measuring balances and cubic measures, and pasture lands. 2 vitastis plus 1 dhanurmusti 1 kishku or 1 kamsa. 42 angulas are equal to