CHEROKEE COUNTY. 



295 



The heated gases arising from the ore, limestone, and imperfect combustion 

 of the charcoal are utilized by conducting them from the top of the furnace 

 through the "down-take " or iron pipe to the gas oven, where the occasional 

 addition of a stick or two of cord wood serves to keep the gases ignited, thus 

 communicating the heat to a multiple section of pipes, through which the air 

 is driven from the blowing engine to the tuyeres. 



A portion of the gases from the "down-take" is conveyed by a branch 

 pipe to the boilers, where it is similarly used for heating, to make steam for 

 the engine. The blowing engine is of the Weimer type, manufactured by 

 the Weimer Machine Works Company, of Lebanon, Pennsylvania. 



GRADES OF PIG IRON. 



This furnace usually produces two grades of hot blast pig iron, known in 

 commerce as No. 1 foundry pig. iron and No. 2 foundry pig iron. Other 

 grades of warm blast pig iron are made to order for the manufacture of car 

 wheels, known in commerce as No. 4 car wheel iron (best), and a cheaper 

 grade, No. 1 car wheel iron. To produce the warm blast iron, the tempera- 

 ture of the air blast is reduced to between 350° and 400°, but this reduction 

 in blast temperature causes a reduction in the daily output of the furnace, 

 and to that extent increases the cost of the product. 



The following table exhibits the daily average product of pig iron for the 

 months in blast, from the time the State Board resumed control of the fur- 

 nace, to December, 1890. 



AVERAGE DAILY PRODUCT IN TONS. 



Year. 



Jan. 



Feb. 



Mar. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



1885 

















25! 



1886 



m 













23! 



20 

 23! 



241 



27! 



26 



22f 



241 



"m 



22! 

 23! 



24! 

 31! 

 25 



22f 

 25! 





1887 



28 

 25 



26i 

 25| 

 23! 

 20 



24£ 

 29 



23| 



22! 



20 



241 



in 



20 



25! 



.33 

 28 

 23 



27! 



241 



1888 



1889 





27" 



1890 ' 









The total product from December, 1885, to January 1, 1891, is about 

 24,000 tons of 2240 pounds each, or 53,760,000 pounds. 



ANALYSIS OF THE PIG IRON. 



Made by Chouteau, Harrison & Valle Iron Company, St. Louis, October 21, 1886. 

 Phosphorus 0.477 



Silicon 



Sulphur 



Metallic iron. 



2.250 



0.005 



94.000 



