Apply a high voltage via the 4mm terminals and the field pattern is generated. The clear acrylic base allows the pattern to be projected via an overhead projector. (150 x 150 x 60). Note: This apparatus requires a safe, low-current limited 0-5kV EHT supply. Investigate electric fields
Product code: LA10-300
http://www.lascells.com/product-detail/electric-field-apparatus/
