US$ 99.00
demonstrating that electrostatic charge concentrates most densely at the tip where surface curvature is highest
Pea seed germination model traces cotyledon splitting
supplying clean test signals for AC work
variable valve timing (VVT)
and airway anatomy at scale
Mini Demonstration Motor Item Type_Cell Model demonstrating that electrostatic charge concentratesCompact mini DC motor on a molded ABS base, operating at 4 6V to demonstrate the same electromagnetic motor principles as the larger demo motor in a smaller footprint.
US$ 99.00
US$ 552.00
US$ 199.50
US$ 130.00
US$ 14.99
US$ 140.00