Artefact Description: Cuboid block structure, hollow without stopper, large holes in top & bottom, small holes in sides all except sides glazed yellow, sides dark brown, inside side holes glazed yellow/ brown bottom inscribed
Initial identification: acid piping valve
Material: earthenware
Inscriptions, makers marks etc: E, C4090, Doulton & Co. Ltd, Lambeth
Context or Associated Features: Recovered from cana; fill south of acid factory
Recovered during/by: Decontamination of canal by mechanical excavator
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