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
68%
9%
22%
0%
22
flagthe Netherlands
58%
12%
19%
9%
31
flagUkraine
53%
13%
20%
13%
15
flagGermany
51%
8%
29%
10%
96
flagCzech Republic
50%
0%
33%
16%
12
flagFrance
50%
0%
40%
0%
10
flagthe United States
48%
10%
28%
12%
114
flagthe United Kingdom
39%
9%
32%
16%
153
flagIndia
38%
5%
44%
11%
18
flagNorway
35%
15%
45%
5%
20
flagPoland
34%
11%
37%
15%
5919
flagCanada
30%
10%
55%
5%
20
flagSweden
20%
10%
50%
20%
10
flagUnknown
16%
15%
50%
16%
251
flagRepublic of Ireland
13%
9%
50%
27%
22

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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