Leeuwenhoek's Microscope

Fine adjustment

Coarse adjustment

Electrical components

Potenciometer and switch

Light emitting diode and resistor

Lens

Lens

Lens

Lens

Lens

Lens

Mosquito larva

Mosquito larva

Mosquito larva

Common fly

Common fly

Cat's lung

Paramecio

Paramecio

Volvox

Volvox

Feather

Feather

Onion's root mitosis

Saliva's gland chromosomes

Saliva's gland chromosomes

Lirio's meiosis