Show standardization OF MINING EQUIPMENT F E every very mine operator and engineer I 1 that is interested in standardization os of mining equipment or in improving the methods and practices in mining will find a gr great eat deal of m terest in the second standardization bulletin just published publish edby by the standardization division of the american mining congress washington D C it contains the recommendations of the committee from the coal and metal branches these committees are composer composed of mining operators engineers and manufacturers th thus us by having the views of both operators engineers and jurers the recommendations have bave be been en thoroughly considered from all sides the bulletin also contains the discussions of the reports which were presented at the second national stand conference held in chicago october to 2219 99 1921 1 the bulletin contains reports and recommendations 0 of f the tt T following committees of the coal mining branch underground round transportation C E watts chairman main alain drainage 6 E D knight chairman outside coal handling edit ment henry mace alace payne chairman joint re report port by th t underground power transmission A B biser kiser c hairanian chain hair nan nian and power equipment JC K A pauly chairman the following committee of the metal mining branch hae presented progress 6 reports with discussions and suggestions bb ions drill bof the consideration of the industry drilling machines and U steel N B braly chairman underground transportation william B daly chairman fire fighting equipment ivil va liam chairman charles A ma Con conibear bear mine ventilation chairman temporary Merch anical loading lucien eaton chairman mine timbers gerald S charni chairman mine accounting T 0 mcgrath chairman the it is the desire of the standardization division ot of american mining congress and of all those who 11 have ave have bee j carrying on this extensive work of standardization to t the widest possible distribution of this bulletin to the nl alinn nelna inn inter industry it is hoped that there will be a widespread the est in important work which should be indicated by 1 constructive criticism of these reports from tile the industry 1 such criticism will be referred to the appropriate comit comm e their careful consideration |