| Further Roman evidence was found on the site back in 1997 in the form of a broken stone mortarium or food-grinder. |
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| The mortarium from Oxford is of fourth century type and the shell-tempered rilled jars and bowls are of late fourth century date. |
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| This mortarium would have been used at the table to ensure freshness of food. |
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| An Oxfordshire mortarium with upstanding rim, wide, flat, flanged and closed hook. |
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| The function of the mortarium is, basically, to prepare the usual sauces that accompanied the roman foods. |
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| The heavily damaged eastern arcade of courtyard XXV with the limestone mortarium on the left and the trough for animal fodder under the right arcade. |
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