US$ 38.00
Enlarged seventy-five-times life size skin model reveals epidermal layers
Economy steam-heated expansion apparatus on a 27-inch base with three 19
Three-legged spherometer with legs spaced 40 mm apart and a vertical scale reading -10 to +10 mm at 0
Used to draw electrons from glass and ebonite rods during rubbing
angular velocity
Carbon Electrode, 100 x 20 x 5mm, 10-Pack Chemical_Catalase Enlarged seventy-five-times life size skinBulk pack of ten solid carbon electrode bars compatible with the student voltaic cell, sized for whole class electrolysis investigations where every lab group runs its own cell.
US$ 38.00
US$ 125.00
US$ 12.90
US$ 140.00
US$ 16.90