Some amphoras seem to be multiples of the choe, equivalent to the Roman congius. |
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In the nineteenth century, the congius was used in British medicine and pharmacology as a name for the British Imperial gallon. |
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But just when I thought it was going to get good and circular it turns out that a congius is roughly equal to six pints, and so a sextarius is one pint. |
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The principal Roman capacity measures were the hemina, sextarius, modius, and amphora for dry products and the quartarus, sextarius, congius, urna, and amphora for liquids. |
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