¡ïTransparent plexiglas water tank: Size
270mm¡Á205mm¡Á55mm.
¡ïTwo of stainless steel probes: Take the transparent
plexiglass as the strut,may walk upstream the water
trough edge.
¡ïTwo of circular electrode (diameter 35mm).Two of
rectiunear figure electrode (long 140mm).
¡ïOne of positive and negative 50uA galvanometer.
¡ïOne of graph paper, Four of gun figure connecting
lead.
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