In the Netherlands and Surinam A map showing the location of Surinam., 20th century¹, a unit of mass = 500 grams. In the Netherlands, the apothecaries' pond = 375 grams.

In the 18th century, the pond was 492.16772 grams, while the Amsterdam pond was 494.09032 grams.

1. United Nations, 1966. Technical Conversion Factors…, 1972, page 310.

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