Lens Set with Supports, 42mm Diameter Biology_Microscopy Thirteen nickel-plated steel forks spanning

Thirteen nickel-plated steel forks spanning C 236Hz to C 512Hz at +/-5% accuracy

0-125V) up to 300mA on six DC output terminals

25 inch ceramic bar pair simplify pole identification

providing the cleanest hand-operated way to make and break a circuit during early electricity instruction with stackable modules

Aepinus capacitor with adjustable plates demonstrates electrostatic principles

Lens Set with Supports, 42mm Diameter Biology_Microscopy Thirteen nickel-plated steel forks spanningLens set at 42mm diameter shipped with matching wooden supports, the fixed mounts steadying each lens for repeatable refraction and image formation experiments at student station scale.