Source google image: https://upload.wikimedia.org/wikipedia/commons/thumb/1/16/Klempner_1880.jpg/260px-Klempner_1880.jpg
Frigoriste définition wikipedia
Source google image: https://upload.wikimedia.org/wikipedia/commons/thumb/1/16/Klempner_1880.jpg/260px-Klempner_1880.jpg