IX, A, 3 



Dalburg and Pratt: Iron Ores of Bulacan 



247 



Table IV. — Output of various furnaces per day and smelting run. 



FURNACE No. 1. 



Number of days furnace in blast. 



Plowshares produced. 



Plow- 

 points 

 pro- 

 duced. 



Total. 



First 

 size. 



Second 

 size. 



Third 

 size. 



Pairs. 



Kilos. 



192 

 294 

 258 

 148 

 366 

 368 

 294 

 290 

 176 



1- 



Pairs. 



4 

 9 

 12 

 5 

 15 

 16 

 12 

 12 

 10 



Pairs. 

 10 

 13 

 9 

 5 

 15 

 15 

 13 

 14 

 10 



Pairs. 



6 



9 



9 



5 



12 



10 



9 



10 



5 



Pairs. 



30 

 49 

 40 

 25 

 58 

 59 

 46 

 44 

 25 



50 

 80 

 70 

 40 

 100 

 100 

 80 

 80 

 50 



2_ 



3 



4 



5 



6 . . 



7 _- 



8 _ .- 



9-. 



Total 



95 



104 



75 



376 



650 



2,386 





FURNACE No. 2. 



1 



3 



4 

 7 

 6 

 5 

 4 

 3 

 6 

 2 

 4 

 4 

 4 

 8 

 6 



6 



8 

 20 

 20 

 20 

 10 

 10 

 10 



8 

 10 



9 



7 



16 

 16 



2 



4 



5 



13 



11 



11 



10 



10 



14 



7 



10 



8 



7 



9 



8 

 5 



29 

 43 

 40 

 43 

 44 

 36 

 37 

 40 

 43 

 36 

 39 

 32 

 27 

 20 

 19 



40 

 60 

 80 

 80 

 80 

 60 

 60 

 70 

 60 

 60 

 60 

 50 

 60 

 50 

 26 



166 

 224 

 288 

 286 

 286 

 214 

 214 

 250 

 222 

 214 

 220 

 182 

 210 

 172 

 94 



2 



3 



4 



5 _ - 



6 



7 



8 



9 



10 _„ 



11 



12 



13 



14 



15 



Total 





66 



172 



132 



526 



896 



3,232 



FURNACE No. 8. 



l.._ 



8 

 14 

 15 

 20 

 20 

 27 

 25 

 27 

 30 

 23 

 18 

 19 

 19 



6 

 14 

 12 

 10 

 10 

 25 

 20 

 12 

 14 

 15 



9 

 13 

 12 



6 



11 



11 



10 



10 



8 



4 



8 



8 



6 



3 



6 



6 



20 

 41 

 32 

 50 

 60 

 40 

 51 

 43 

 49 

 36 

 30 

 42 

 32 



40 



80 



70 



90 



100 



100 



100 



90 



101 



80 



60 



80 



70 



146 

 290 

 252 

 334 

 374 

 364 

 374 

 336 

 378 

 296 

 228 

 280 

 256 



2 .. 



3 



4 



5 



6. — 



7 . 



8 . . 



9 



10 . - 



11 



12 - _ . 



13 



Total 



265 



173 



97 



526 



1,061 



3,918 





