156
THE POPULAR SCIENCE MONTHLY
gurated a special campaign of education among its engineers and firemen. A general order has been issued to the effect that "smoke means waste and must be avoided."
Five assistant road foremen of engines are now at work instructing firemen how to reduce the quantity of smoke emitted by engines. It is estimated that ten pounds of coal were required last year to generate steam necessary to haul one freight car one mile. The safety valve of an engine, if left open one minute, will lose an equal amount of steam. The Pennsylvania Railroad last year hauled 1,248,300 freight cars one mile and its coal bill was $10,000,000. Therefore, the savings of one per cent, by more efficient handling of coal will result in a saving to the company of $100,000 annually.
Under eighteen separate heads, thorough and minute instructions in the general order issued, the company has gone into the elementals of locomotive firing. Coal no larger than three inches thick may be used; tenders must not be overloaded so that coal is dropped along the track; grates and ash pans must be watched closely, in order to decrease the number of repairs on engines.
The example thus set by the Pennsylvania Railroad is bound to be of far reaching influence. As the Chicago Record Herald puts the case
Another view of the attitude of the corporation was taken at the Providence meeting of the American Civic Association by the superintendent of motive power on the New York, New Haven and Hartford Railroad, Mr. George W. Welden, declaring that