Cup shaped with fitting and two graduated tubes. The vessel is mounted on a sturdy wooden base fitted with two terminals and platinum electrodes.
New design having Perspex transparent rectangular trough fitted with carbon electrodes & two graduated test tubes. Mounted on well polished wooden base.
Having a acrylic jar fitted on well polished wooden base with scheme of connection by metallic strips, copper anode and terminals. Without solution or cell.
Acrylic jar fitted on wooden base with four electrodes but without solution & cell.
Acryalic jar fitted on wooden base with two carbon electrodes but without solution & cell.