porròn [Spanish]; porrò [Catalan]

In Spain, ? – 20th century, a unit of liquid capacity used for wine. It varied considerably, in Barcelona being approximately 7.7 liters1. In the 19th century, in the province of Gerona, 0.967 liter; Lérida, 0.949 L; Tarragona, 1.083 L.2

1. United Nations, 1966.

2. Direcci�n General del Instituto Geogr�fico y Estad�stico.
Equivalencias entre las Pesas y Medidas Usadas Antiguamente en las Diversas Provincias de Espa�a y las Legales del Sistema M�trico-Decimal.
Publicadas de Real Orden.
Madrid: Imprenta de la Direcci�n General del Instituto Geogr�fica y Estad�stico, 1886.

Pages 25, 33 and 49.

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