US$ 101.99
Black 3-inch circular disc 0
Animal cell mitosis model displays chromosome condensation
and a semicircular dish
a distinctive density reference against the lighter aluminum and heavier steel cylinders
Spherical Conductor, 5cm Diameter Handle Type_Wood Black 3-inch circular disc 0Five centimeter brass sphere mounted on an ebonite insulated metal base, designed to hold an electrostatic charge while students probe its surface with a proof plane.
US$ 101.99
US$ 30.00
US$ 347.48
US$ 32.00
US$ 97.95