Explore these ideas and much more!

One of the most dangerous aspects of coal mining was the possibility of an open flame, spark or blasting charge igniting methane gas or coal dust. In this 1910 photo miners are picking up a flame safety lamp before proceeding to their work place. The hand-written sign says NO OPEN LIGHTS.  Mine Safety

One of the most dangerous aspects of coal mining was the possibility of an open flame, spark or blasting charge igniting methane gas or coal dust. In this 1910 photo miners are picking up a flame safety lamp before proceeding to their work place. The hand-written sign says NO OPEN LIGHTS. Mine Safety

Pinterest
Search