Set Of Four Laboratory Glass Stopcock Assemblies, Assorted Designs – No. 6

Set of four laboratory glass stopcock assemblies, comprising three open-bottom cylindrical bells and one angled stopcock adapter. The bells feature ground-glass stopcocks, long straight side tubes and right-angle bent connections. Signs of use and some discolouration around the ground joints. Distinctive props for laboratory and chemical industry sets. A total of 28 similar glass assemblies are available for grouped arrangements.