Display illustrating the use of ion exchange in water treatment. Display illustrating the use of ion exchange
Illuminated display describing the manufacture of a junction transistor Illuminated display describing the manufacture of a junction transistor
Aluminium. Composite display on the Metallurgy of Aluminium comprising: Ore-preparation, smelting, properties, fabrication and history Aluminium. Composite display on the Metallurgy of Aluminium
Display entitled "The Shaping of Plastics". ( Incorporated into 1962-343) Display entitled "The Shaping of Plastics"
Nematic liquid crystal display demonstrating that a thin layer of cholesteral ester is transparent but becomes opaque when an electric field is applied Nematic liquid crystal display