50
Fragment, less than 20%, of the upper stone of a Romano-British Hertfordshire Puddingstone rotary hand-quern of typical hemispherical form, AD c.50-150. The quern may have been worn to the end of its designed life, as indicated in the drawing; this is the usual state of survival.Parts of the outer surface and the drilled grain hopper survive. The diameter has been c 260 mm; a relatively small example. No signs of handle socket or handle band groove remain.The surviving fragment measures 157.6mm long, 107.6mm wide and 92.9mm high. The weight is 1911.2g.
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