The Book of "100 Actions" page 174

THE PURIFYING CHAMBER.

Serving the purpose of purification works on the Territory, the purifying chamber is also used for collective washing when the lswimming-pool is empty. A water-purifications works was compulsory to comply with territorial regulations since sewage dumping is not possible in Anserville ( Oise ). The works was therefore developed, as you will see from the picture ! Installing the pipes turned out to be a costly affair because of the great distance separating Anserville from the Arctic Circle.