1920 – Electro-mechanical “protozoon” – Fritz Lux (German)

Lux' protozoon * This device is a model of a unicellular animal: it consists of a short rubber cylinder with two slots (Fig. 98). According to the ideas of its inventor, it is anchored in a brook, half submerged in the water. The water in the "protozoon" is considered as the "food" it is in …