In Mauritius and the Seychelles, 20th century, a unit of mass, approximately 30.594 grams. The once is a premetric French unit.
United Nations, 1966.
| home | | | units index | | | search | | | to contact Sizes | | | acknowledgements | | | help | | |
Copyright © 2000 Sizes, Inc. All rights reserved.
Last revised: 8 March 2008.