& cv' c H 1 1 cL COAL OF SOUTH WALES AND PENNSYLVANIA. 199 Tabular view of the Analyses of nine samples of Anthracite from the mines of Lykens ’ Valley. JYo. of the sample. Specific gravity. T3 ■21 • ITo CM Volatile matter lost at redness. Fixed Carbon , Earthy residue. 1 L .39 1 1.460 6.140 87.950 4.450 1 i i t t c c 1 2 1.404 1.390 4.56 89.3 4.750 c s s c § 3 4 1.416 1.374 0.70 1.10 9.30 3.50 85.700 88.700 4.300 r t t 6.700 • c 5 1.376 0.88 7.47 87.750 3.900 ■ t a 6 1.395 0.90 7.40 88.650 3.050 ‘ e F s c 7 1.382 0,90 7.75 87.200 4.150 • f a c u F 8 1.398 1.314 10.54 83.996 p 4.150- t 0 t s 9 1.378 1.360 5.94 87.000 5.700 s V c m’an 1.390 1 .111 6.955 87.360 c .52 t Exterior and other characters of coal. Deep black— fracture lr- ?gular, shining— or dull Character of ashes gas, oft— sectile and 3usti'ble — gi but does Brownish black— i rules Lustre silky on a carbo- Very similar to the pre- Brownish — dirty red, with slight tinge of purple — • very slightly coherent — incineration probably not quite complete, Color deep black — frae- 1 his sample is less mark- -a purplish red tint marks Color deep black — sur- ice shining, striated, silky nd occasionally of a dull liarcoai lustre — fracture neven, original grain ap- arently obliterated by Appears to resemble cer* Dull black — surface horizontal seams Color deep brown- inclining to reddish brown — light — little coherent, moderately gritty. Light fawn colour. moderately gritty — light — slightly cohe rent. Brownish buff- slightly coherent. Yellowish red — in dining to brown — dense — coherent. Colour deep, fawn gritty — heavy, cohe rent. Bright fawn— with slight tinge of rose colour, gritty, cohe- rent. Bright buff colour, tolerably coherent— slightly gritty. Incineration not quite perfect, minute particles of coal per- ceptible-colour deep fawn. X Ckcvcfl 1*