XEE4408218 Inauguration of laboratories at the trade exchange: Mr Masson, president of the Chamber of Commerce of Paris, presents to Millerand Minister of Commerce the new premises for the condition of bristles and wools and the laboratory for paper testing. (Weighing equipment is installed at the Paris Bourse) - in " Le petit Parisien?????? 1900 (engraving) by French School, (20th century); Private Collection; (add.info.: Inauguration of laboratories at the trade exchange: Mr Masson, president of the Chamber of Commerce of Paris, presents to Millerand Minister of Commerce the new premises for the condition of bristles and wools and the laboratory for paper testing. (Weighing equipment is installed at the Paris Bourse) - in ??????Le Pepetit Parisien?????? 1900.); Stefano Bianchetti.