What was used as a unit of mass in the classical times?
a drop of lead
handful of sand
Carat, a unit of mass equal to 200 mg, is derived from a carob seed (Greek kerátion). People commonly believed that the seeds have unusually low variability in mass. Modern research denied this claim.
reach: rather globalancient historyculturegemstonesmassunits
+5 Very interesting! globalquiz.org