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
66%
8%
25%
0%
24
flagSpain
63%
0%
27%
9%
11
flagthe Netherlands
58%
12%
19%
9%
31
flagGermany
51%
8%
29%
10%
96
flagUkraine
50%
18%
18%
12%
16
flagCzech Republic
50%
0%
33%
16%
12
flagFrance
50%
0%
40%
0%
10
flagSwitzerland
50%
10%
40%
0%
10
flagthe United States
47%
11%
27%
12%
115
flagthe United Kingdom
40%
9%
32%
16%
155
flagGreece
40%
30%
0%
30%
10
flagIndia
38%
5%
44%
11%
18
flagNorway
35%
15%
45%
5%
20
flagPoland
34%
11%
37%
15%
6080
flagRussia
33%
8%
50%
8%
12
flagCanada
30%
10%
55%
5%
20
flagSweden
18%
9%
45%
27%
11
flagUnknown
17%
14%
50%
17%
262
flagRepublic of Ireland
16%
8%
50%
25%
24

Gender

men27%
women30%
carob seed
27%
30%
a drop of lead
14%
13%
handful of sand
39%
38%
swallow's egg
18%
17%

Details

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