Artefact Description: cylindrical metal cannister tapering slightly towards wide short neck
Initial identification: fire extinguisher cannister
Material: painted metal, possibly aluminium
Inscriptions, makers marks etc: inscription at top of neck= Analytical Instruments Ltd, HDAL 4 IP 2760 psi CAP 1625 psi 8/73 SER No. 302A-241, weight 4 lb 6 oz
Context or Associated Features: recovered from canal fill RCHM 356 in P area
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