Show PROF CHARLES E MONROE prof charles E mungroo the greatest living authority on high has just undertaken a line of investigation which it js hoped will prove of benefit to a large proportion of the american people and will ultimately no doubt save thousands of lives pro munroe will seek by mean of a series of tests and investigations to discover what explosives are beat adapted for use in mining operations it Is no secret that a majority of the which occur in american coal mines and particularly harrowing examples of have lately been presented in west virginia and i Pennsylvania are due directly or indirectly to the uso 0 charges of dynamite or kotlier explosives to break down the coal gradually it has como to be realized that some explosives are much less liable than others to indica the explosions of coal duet or alre damp that snuff out the lives 0 hundreds of miners in an instant but detailed information hag been lacking as to just which of the explosives aro safest professor mungroo will endeavor to clear up this point and it Is expected that as a result of his work there will bo passed a national law governing the use of high explosives |