Artefact Description: Cuboid structure, top, bottom & side faces glazed, yellow/brown colour. Front & back faces unglazed beige colour. Front back top & bottom faces contain central holes, side faces have large groove in centreinscription on top face, valve plug missing
Initial identification: acid piping valve
Material: earthenware
Inscriptions, makers marks etc: Top + Hathernware 11, Made in England RGF 38; Back = 40 m/m; front = Hathernware
Context or Associated Features: waste tip adjacent to acid factory
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