in the Manufacture of Cast-iron. 



381 



APPENDIX. 



TABLE shelving the Weight of Cast- Iron produced, and the Average Weight of Coals 

 made use of, in producing a Ton of Cast-iron, at Clyde Iron- Works, during the Years 

 1829, 1830, and 1833, the Blowing Engine being the same. 



COKE AND COLD AIR. 



COKE AND HEATED AIR. 



. .. 



COAL AND HEATED AIR. 



1829. 



Weekly Pro- 

 duct of Castr 

 Iron by Three 

 Furnaces. 



Average of 

 Coals used 

 to 1 Ton of 

 Cast- Iron. 



1830. 



Weekly Pro- 

 duct of Cast- 

 iron by Three 

 Furnaces. 



Average of 

 Coals used 

 to 1 Ton. of 

 Cast-iron. 



1833. 



Weekly Pro- 

 duct of Cast- 

 iron by Four 

 Furnaces. 



Average of 

 Coals used 

 to 1 Ton of 

 Cast-iron. 



Jan. 7. 



Tons. Cwt. Qrs. 



137 18 2 



Tons. Cwt. Qrs. 



8 12 1 



Jan. 6 



Tons. Cwt. Qrs. 



176 10 2 



Tons. Cwt. Qrs. 



5 2 2 



Jan. 9. 



Tons. Cwt. Qrs. 



375 8 



Tons. Cwt. Qrs. 



2 12 3 



14. 



148 2 



6 9 2 



13. 



181 12 2 



5 2 



16. 



267 18 



2 4 



21. 



148 8 2 



6 11 3 



20. 



172 5 2 



5 2 



23. 



270 7 2 



2 3 1 



28. 



138 9 2 



7 2 



27. 



178 7 



4 19 



30. 



250 9 



2 4 



Feb. 4. 



125 13 



7 12 1 



Feb. 3. 



164 8 



5 4 



Feb. 6. 



265 3 2 



2 1 



11. 



136 19 



7 13 1 



10. 



172 12 



5 4 



13. 



202 10 



2 4 3 



18 



130 16 2 



7 11 3 



17. 



163 9 



5 9 



20. 



257 1 



2 4 3 



25. 



105 12 2 



7 10 



24. 



170 1 



5 3 



27. 



264 



2 5 1 



Mar. 4. 



101 8 1 



7 17 2 



Mar. 3. 



154 19 



5 10 3 



Mar. 6. 



234 13 



2 5 2 



11. 



111 2 



8 2 2 



10. 



154 16 



5 9 2 



13. 



238 7 2 



2 7 1 



18. 



114 10 



7 6 2 



17. 



151 8 2 



5 9 3 



20. 



205 13 



2 10 2 



25. 



110 14 



8 8 1 



24. 



163 17 



5 5 1 



27. 



217 14 



2 2 3 



Ap. 1. 



111 4 



8 7 2 



31. 



163 8 2 



5 11 



Ap. 3. 



220 7 



2 14 2 



8. 



107 7 



8 3 



Ap.7. 



147 10 



5 7 



10. 



280 9 2 



2 3 



15. 



91 12 2 



8 15 



14. 



154 9 2 



5 2 



17. 



304 7 



1 17 3 



22. 



85 13 



9 13 



21. 



163 4 



4 19 



24. 



248 12 2 



2 3 



29. 



91 14 2 



9 6 2 



28. 



148 12 2 



5 4 



Mayl. 



245 7 2 



2 6 



May 6. 

 13. 



92 7 2 

 94 6 



8 8 2 



9 2 1 



May 5, 

 12. 



162 10 2 

 149 13 



5 2 2 

 5 3 2 



8. 

 15. 



200 17 

 246 4 2 



2 8 

 2 5 3 



July 8. 



88 4 2 



8 16 3 



19. 



162 4 



5 5 



22. 



219 1 2 



2 6 



15. 



91 13 



8 5 



26. 



165 7 2 



4 18 3 



29. 



231 2 



2 8 



22. 



97 2 



8 2 1 



June 2. 



160 4 



5 2 2 



June 5. 



235 16 



2 6 2 



29. 



104 15 2 



7 10 2 



9. 



157 17 



5 1 



12. 



232 10 



2 7 1 



Aug. 5. 



106 17 2 



7 7 2 



16. 



164 



4 17 3 



19. 



271 1 2 



2 10 



12. 



93 1 



8 6 



23. 



149 3 



4 18 



26. 



262 3 2 



2 3 1 



19. 



Average 



113 7 



8 18 2 



30. 



162 16 2 



4 16 3 



±w.30. 



122 16 



2 5 1 



2878 18 



209 19 



4215 6 



134 6 2 



6370 3 



58 18 3 



110 14 2 



8 1 1 



162 2 2 



5 3 1 



245 



2 5 1 



3c2 



