ccxxxii GENERAL SUMMARY OF SCIENTIFIC AND 



The following table shows the production in net tons of all 

 forms of rolled iron produced in the United States in 1874, 

 compiled from the association's statistics. This table, ar- 

 ranged to show the production by states, includes bar, 

 band, hoop, plate, sheet, angle, girder, beam, boat, guide, rod, 

 and bridge iron and rolled axles. All forged iron, such as 

 anchors, anvils, hammered axles, cranks, ships' knees, etc., is 

 carefully excluded, because of the impossibility of learning, 

 even approximately, the amount of iron hammered or forged 



based upon partial returns made to the association's office. The more im- 

 portant figures of this estimate we add herewith to supplement our preced- 

 ing statements, yiz. : 



Total pig-iron production for 1875 (estimated).. 2,068,696 net tons. 

 Decreased production as compared with 1874 . . . 620,717 *' 



Whole number of furnaces in 1875 713 " 



Number in blast December 31, 1875 345 " 



" out of blast " " 368 " 



-r-JBA] 



