in the Manufacture of Cast-Iron. 381 
APPENDIX. 
TABLE shewing 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 HEATED AIR. | COAL AND HEATED AIR. 
COKE AND COLD AIR. 
3 
Weekly Pro- | Average of Weekly Pro- | Average of Weekly Pro- | Average of 
duct of Cast- | Coals used duct of Cast- Coals used is duct of Cast- Coals used 
Iron by Three | to1 Ton of 1830. | tron by Three} tol Ton. of | 1833. | Tron by Four | to 1 Ton of 
Furnaces. Cast-Iron. Furnaces. Cast-Iron. Furnaces. Cast-Iron. 
Tons. Cwt. Qrs.| Tons. Cwt. Qrs. Tons. Cwt. Qrs.| Tons. Cwt. Qrs, i" Tons. Cwt, Qrs.| Tons. Cwt. Q 
187 18 2 1 |Jan. 6.| 176 10 2 5 2.2 |Jan. 9.) 375 0 2123 
148 20 6 92 13.| 181 12 2 5 02 16.| 267 18 0 2 40 
148 8 2 6113 20.) 172 52); 5 02 23.| 270. 7 2 2 31 
138 92 7 02 27.1 178 70 4190 30./ 250 90 2 40 
125 13 0 7 12 1 |Feb.3.| 164 8 0 5 4 © |Meb.6.] 265 3 2 2 10 
136 19 0 7131 10.| 172 12 0 5 40 13.} 202 10 0 248 
130 16 2 71138 17.| 163 90 5 90 20.} 257 10 243 
105 12 2 7100 24.| 170 10 5 30 27.| 264 00 A hod | 
101 81 7:17 2 |Mar.3.| 154 19-0 5 10 3 |Mar.6.}. 234 13 0 PA Tie) 
lll 20 8H 2) 2 10.| 154 16 0, 5 92 13.| 238 7 2 271 
114 10 0 7, 6 2 17.| 151 8 2 5 98 20.) 205 13 0 210 2 
110 14 0 8 81 24.| 163 17 0 5 ST 27.| 217 140 2 28 
lll 40 So 7 2 31.| 163 8 2 5110 Ap. 3 220 70 2142 
107 70 8 30] Ap.7.| 147 10 0 5 70 10.| 280 9 2 2 03 
91 12 2 8 150 14,| 154 9 2 5 20 17.| 304 70 117 3 
85 13 0 9130 21.) 163 40 4190 24.) 248 lv 2 2 30 
91 14 2 9 62 28.) 148 12 2 5 40 ||Mayl.| 245 7 2 2 60 
Cee 8 8 2 ||May5.| 162 10 2 5 22 8.| 200 17 0 2 80 
94 60 9 21 12.| 149 13 0 5 382 15.) 246 42 2 53 
88 42 8 16 3 19.| 162 40 5 50 22.| 219 12 2 60 
91 13 0 8 50 26.| 165 7 2 418 3 29.) 231 20 2 80 
97 20 8 21 |June2.| 160 40 5 2 2 |June5.| 235 16 0 2 62 
104 15 2 7 10 2 9.| 157 17 0 5 10 12.| 232 10 0 ee 1 
106 17 2 Tania? 16.| 164 00 4173 19.| 271 12 2 10 
93 10 8 60 23.| 149 30 4180 26.| 262 32 2 3 1 
113 70 8 18 2 30.| 162 16 2 4168 tw. 30 122 160 2 51 
2878 18 0 | 209 19 0 4215 60) 1384 62 6370 30] 5818 3 
110 14 2 8 11 162 22 5 31 245 00 2 51 
3c 2 
