Testing Stations Abroad

摘要

At the Seventh International Congress of Applied Chemistry,Drs.Mente and Will communicated a"paper on the above subject.All large coal-getting countries employ testing stations of some kind,in order to safeguard,to the highest possible extent,the lives of the men employed in this industry.Most countries employ galleries of considerable diameter,and fairly short length;but within recent times,long galleries,with drives and other accessories approaching as closely as possible the actual conditions of mining have been installed.The following are the details of the testing stations employed in the countries mentioned.