US$ 45.99
this silicone-belt Van de Graaff generator demonstrates charge conservation
Five removable sections separate the enlarged ear into outer
designed to hold visible iron-filing field lines and support side-by-side magnet-strength comparisons in mechanics labs
electric whirl
Rotating disc cut with twelve 0
Regulated AC/DC Power Supply, 6V/12V 5A Glass Flasks_Erlenmeyer Flasks this silicone-belt Van de GraaffMid current 6V 12V regulated AC DC bench supply at 5A with overload and short circuit protection, the lighter duty counterpart to the 10A unit for routine bench circuit experiments.
US$ 45.99
US$ 105.00
US$ 102.50
US$ 12.50