Set Of Four Laboratory Glass Stopcock Assemblies, Assorted Designs – No. 5

Set of four laboratory glass stopcock assemblies, comprising three short, open-bottom cylindrical bells and one angled stopcock adapter. Two assemblies feature white plastic plugs, red handles and black connection caps; the other pieces have ground-glass stopcocks. 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.