Funnel, glass, funnel, diameter (top) 60mm, diameter (bottom) 19mm. The glass contains many minute air bubbles, some of the characteristic 'tear' shape showing where the neck has been stretched. The angled drop-lip is badley chipped (it is possible that this is a result of modification and so deliberate).
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Dimensions:bottom:Dia 1.9cm (Dia 3/4")