408 ANNUAL RECORD OF SCIENCE AND INDUSTRY. 



year indicates that a larger percentage of charcoal and an- 

 thracite furnaces were in blast in 1877 than in 1876; while 

 with bituminous furnaces there has been no change. 



THE COMPARATIVE PRODUCT OF PIG-IRON BY STATES, 



For a series of years, is shown in the accompanying table, 

 based upon the statistics collected by the association from 

 manufacturers, viz. : 



STATES. 



Maine 



Vermont 



Massachusetts . 

 Connecticut . . . 



New York 



New Jersey 



Pennsylvania . . 



Maryland 



Virginia 



North Carolina, 



Georgia 



Alabama 



Texas 



West Virginia. . 



Kentucky 



Tennessee 



Ohio 



Indiana 



Illinois 



Michigan 



Wisconsin 



Missouri 



Oregon 



Utah 



Minnesota 



Whole Number 

 Completed Fur- 

 naces, Decem- 

 ber 31. 



1873,1874 



l \ 1 



2 2 



6 6 



10 10 

 531 58 

 16 17 



262 266 



22 5 



35 38 



8 8 



8 10 



11 14 



1 



6 



25 27 



20 2: 



88 93 



8 8 



10 10 



83 34 



13 14 



18 19 



1 1 



... 1 



... 1 



1S75 



1876 



1 



2 

 6 



10 

 57 



18 



278 



24 



34 



8 

 12 

 14 



1 



12 



23 



22 24 



100 100 



0| 9 

 12 

 34 

 14 

 19 



1 



1 



1 



1 

 2 

 6 



10 

 57| 

 18 

 279 

 24 

 33 



8 

 11 

 13 



1 



12 

 23 



12 

 34 



14! 



19 

 1 

 2 

 1 



d a O 



p n a 

 9B 2. 



In. Out, 



1 



4 

 J3 

 4 

 113 

 5 

 6 



1 

 4 

 5 



38 

 3 

 3 

 7 

 5 

 6 



Total 657 693 713 714 236 478 2,868,278 2,689,413 2,266,581 



2 

 5 

 6 



34 



14 



166 



19 



2 



8 



9 



8 



1 



11 



19 



19 



62 



6 



9 



27 



9 



13 



1 



2 



1 



Make of Pig-iron in net tons. 

 (Tons of 2000 pounds.) 



1873. 



1S74. 



780 



3,100 



21,136 



26,977 



296,818 



102,341 



1,389,573 



55,986; 



26,475 



1,432 



7,501 



22,283 



280 



23,056, 



69,889 



43,134: 



406,029 



32,486| 



55,796 



123,506 



74,148 



85,552 



1,661 

 3,450 



27,991 



14,518 



326,721 



90,150 



1,213,133 



54,556 



29,451 



1,340 



9,786 



32,863 



1,012 



30,134 



61,227 



48,770 



425,001 



13,732 



37,946 



136,662 



50,792 



75,817 



2,500 



200 



1575. 



1876. 



2,046 



2,400 



21,255 



10,880 



266,431 



64,069 



960,884 



38,741 



29,985 



800 



16,508 



25,108 



25,277 

 48,339 

 28,311 



415,893 

 22,081 

 49,762 



114,805 



62,139 



59,717 



1,000 



150 



3,002 



550 



5,040 



10,160 



181,620 



25,349 



1,009,613 



19,876 



13,046 



400 



10,518 



24,732 



426 



41,165 



34,686 



24,585 



403,277 



14,547 



54,10S 



95,177 



51,261 



68,228 



750 



65 



v* 



2,093,236 



RECAPITULATION. 



KINDS OF 

 PIG-IRON. 



Whole Number 

 Completed Fur- 

 naces, Decem- 

 ber 31. 



l-::; is7i 



Anthracite 



Charcoal 



Bituminouscoal 

 and coke 



207 217 

 279,295 



17l'l81 



1875 1876 



225 228 

 281280 



207 206 



Total 65716931 7131714 



re a O 

 o ZL S 



cl2o 



In. 



85 



7;; 



Out 



14:; 



20 - 



s 128 



236 478 



Make of Pig-iron in net tons. 

 (Tous of 2000 pounds.) 



1873. 



1,3 12, 754 



577,620 



977,904 



187*. 



1,202,144 

 576,557 



910,712 



1876. 



908,046 

 41 0,9'. Ki 



947,545 



2,868,278 2,689,41:: 2,266,581 



1876. 



794,578 

 308,649 



990,009 



}, 093, 236 



