hoon

1

In Indonesia, 20th century, a unit of mass used for opium, approximately 386.01 milligrams.

United Nations, 1966.

2

In the Straits Settlement, 19th century, = ⁴⁄₃₀₀ ounce avoirdupois, about 378.0 milligrams. link to a table showing relationships between units of mass in the Straits Settlements

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