Factory and industrial management . s indif-ferent; in efficiency of traffic manage-ment it is practically nil. The ineffici-ency in this department, overloaded tothe breaking point by the existing carequipment, would be worse and not bet-ter if a large addition were made to therolling stock in service, because it wouldincrease the congestion which presentsystems of management create. The extravagance and waste of aver-age American railway management is onthe dawn of correction. Some excellentwork in the reduction of expense forfuel and stores and in the more econom-ical maintenance of equipme
Factory and industrial management . s indif-ferent; in efficiency of traffic manage-ment it is practically nil. The ineffici-ency in this department, overloaded tothe breaking point by the existing carequipment, would be worse and not bet-ter if a large addition were made to therolling stock in service, because it wouldincrease the congestion which presentsystems of management create. The extravagance and waste of aver-age American railway management is onthe dawn of correction. Some excellentwork in the reduction of expense forfuel and stores and in the more econom-ical maintenance of equipment has beenbegun. But in the inefficiencies of traf-fic management there is a field of possi-ble savings so large that when the roadsbegin to realize them, raising freightrates or reduction of wages will appearinsignificant in comparison. The solu-tion of bettering the railroads credit liesnot in getting more money from theirpatrons or distributing less to their em-ployees, but in saving that now lostthrough their own THE VENTILATION OF FACTORIES. A REVIEW OF THE GENERAL PRINCIPLES AND METIIODS FOR THE REMOVAL OF DUST AND FUMES. Dr. J. S. Haldane—Royal Society of Arts. THE removal of dust and fumes,often a most important and dif-ficult problem in factory ventila-tion, was the subject of the fourth ShawLecture on Industrial Hygiene, deliveredby Dr. J. S. Haldane before the RoyalSociety of Arts on February 27 and pub-lished in the Journal for May 22. Thisis a subject on which Dr. Haldane canspeak with authority, on account of hisconnection with the work of the lateHome Office Committee on Factory Ven-tilation. It is impossible here to repro-duce the many practical illustrations hegives of the principles laid down in hispaper but the following abstract givingthe main points of his general review ofprinciples and methods will be found ofinterest. Whether or not any variety of dustis known to cause dangerous effectswhen habitually inhaled, I think thatevery kind of
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