Transformer Accessory Kit 2, Lenz s law transformer accessory kit, demonstrate the production of large magnetic fields and lenz s law damping on pendulums with and without slits
Beta Plus Bottle Kit - 2.2L Horizontal, Acrylic, Beta* Van Dorn bottles have rigid, white plastic end seals for clean sealing. The bottle ends are machined to fit foam silicone gaskets. Amber latex tubing, feature