US$ 30.00
designed to hold visible iron-filing field lines and support side-by-side magnet-strength comparisons in mechanics labs
Rotating disc cut with twelve 0
Five removable sections separate the enlarged ear into outer
5 inches each supports crafting projects
Regulated AC/DC Power Supply, 6V/12V 5A Glass Flasks_Erlenmeyer Flasks designed to hold visible iron-filingMid 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$ 30.00
US$ 19.20
US$ 31.30
US$ 21.11