What was used as a unit of mass in the classical times?

carob seed
a drop of lead
handful of sand
swallow's egg
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.

Answers distribution

carob seed
a drop of lead
handful of sand
swallow's egg
answers
flagItaly
73%
10%
15%
0%
19
flagUkraine
57%
14%
21%
7%
14
flagthe Netherlands
55%
13%
20%
10%
29
flagGermany
50%
8%
29%
10%
93
flagCzech Republic
50%
0%
33%
16%
12
flagFrance
50%
0%
40%
0%
10
flagthe United States
47%
10%
27%
12%
111
flagIndia
41%
5%
47%
5%
17
flagthe United Kingdom
39%
9%
33%
16%
148
flagNorway
35%
15%
45%
5%
20
flagPoland
34%
12%
37%
15%
5665
flagCanada
31%
10%
52%
5%
19
flagUnknown
16%
13%
52%
16%
222
flagRepublic of Ireland
15%
10%
50%
25%
20

Gender

men27%
women30%
carob seed
27%
30%
a drop of lead
13%
13%
handful of sand
39%
38%
swallow's egg
18%
17%

Details

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