Making wood fire resistant with paint : Technical Notes, Forest Products Laboratory, U. S. Forest Service, Madison, Wisconsin, 3 No. 106, 1920

Gas masks in pulp and paper mills : Tech

Gas masks in pulp and paper mills : Technical Notes, Forest Products Laboratory, U. S. Forest Service, Madison, Wisconsin, No. 102, 1920

📂 Article 📅 1920 🏛 Elsevier Science 🌐 English ⚖ 62 KB

A different report came from Paris where the lowering of pressure resulted in a distinct lessening of consumption. Such experiments in economy indicate the straits to which the French are driven as the joint result of the destruction of their coal mines by the German invaders, and of the failure of