844
APPENDIX.
Lost in coking . . . 17-40
Perfect bituminous coal coke . 82 60 _
•- 100 parts.
Analysis:—Volatile in coking . . 17-40
Carbon .... 80-60Brown ash . . . .2-
- 100 parts.
9. Rhymney Black vein of Coal , 2 % feet thick; used in theforges. Fine glance coal, and reedy in the direction of theplane or bed of the vein ; sectional area, presenting numeroussmall prisms rising vertically between the lamina).
Lost in coking . . . 14'99
Semi-bituminous coal coke obtained 85-01
- 100 parts.
Analysis :—Volatile in coking . . . 14-99
Carbon .... 82‘51Ashes, light brown . . . 2'50
- 100 parts.
Examination and analyses of seven varieties of coals dug inthe Bute liberty, used at the Bute Iron Works; and are a con-tinuation of the same planes, the river Rhymney dividing theproperties, hut both belonging to the Rhymney Iron Company.
1. Bute Red vein of Coal , 4 feet thick ; used in the blast-furnaces. A bright glance coal in thin laminae; numerouslyintersected at right angles, so as to give the sectional fracture acrystalline appearance.
Lost in coking . . . 14"58
Coke obtained, bituminous . . 85-42
- 100 parts.
Analysis:—Volatile in coking . . . 14 580
Carbon .... 83-045
Fawn-coloured ash . . 1-375
- 100 parts.
2- Bute Big vein of Coal , 9 feet thick ; upper part 1 footthick. A mixture of reedy and granular coal; fracture dark,irregular, and crystalline.
13-54
86-46
- 100 parts.
13-54
S0-96
5-50
100 parts.