ABATING THE SMOKE NUISANCE 77 



With proper arrangements for putting the coal upon the 

 fire in small quantities so as not to cut off the draft suddenly 

 or lower the temperature of the upper part of the stove too 

 greatly, a great saving of heat can be realized and one of 

 the worst nuisances of a modern city largely avoided. 



Many cities require the use of smoke-consuming furnaces 

 in all large buildings. Most of these are so arranged that 

 the gases formed where the fresh supply of coal meets the 



Courtesy of Stoter Underfeed Company of America 

 AFTER INSTALLING AN UNDERFEED FURNACE 



In this furnace the fire is constantly above the fresh fuel, and the volatile 

 gases and carbon are consumed as they pass up through the fire. 

 This acts like a burning candle right side up. 



glowing coals are conducted through the fire and largely 

 consumed. Contrivances known as smoke consumers are 

 sometimes attached to small furnaces. Abating the smoke 

 nuisance is a problem that deserves the most careful con- 

 sideration by the authorities of all cities. It involves the 

 conservation of both health and wealth. 



Control of Fire. Fire under control is man's best friend. 

 Fire makes our homes comfortable in winter, cooks our 

 food, lights many of our houses, is used somewhere in the 



