Electrostatic Field Apparatus Set II. A set of observation Tanks and Electrode Plates, 5 patterns, to observe line of electrostatic force. Contains an observation tank size 160x105x7mm, suport frame sizee 195x115x28mm, Piezoelectric power supply 4.5k
Electrostatic Field Apparatus Set II. A set of observation Tanks and Electrode Plates, 5 patterns, to observe line of electrostatic force. Contains an observation tank size 160x105x7mm, suport frame sizee 195x115x28mm, Piezoelectric power supply 4.5k