Printed by G. Richard.

This Company made and traded optical appliances, it took part in the 1900 Universel Exhibition in Paris to promote their products.

It was the initiator of the "Palais de l'Optique" : on almost 8500 m², the exhibition presented a 120 m long telescope with which the moon could be seen. and a "sidérostat" to follow the stars movements ; and other optical demonstrations ; as well as a diorama for underwater world.