History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c24.s1.17

v1.c24.s1.17

Archaeological evidence is not forthcoming for any levelling tool, possibly because it was made of wood. Patañjali (on Pāṇini I.4.49) informs that levelling of the field was done by a long wooden log, yoked by two oxen⁸.