Paris folder A/parisA150
Previous | Home | Next"Here once was the Building of the Commission of Gunpowder where 1776-1792 Antoine-Laurent Lavoisier worked and lived,. Commissioner of Gunpowder and Saltpeter who set up his chemical laboratory there." It was in this laboratory that Lavoisier established the Law of Conservation of Mass and recognized the true elements, launching a revolution in chemistry..
