67 
HALL 70. 
This hall contains a series of the carbon minerals, beginning 
with the diamond and passing through graphite, the coals, (anthra- 
cite, semi-anthracite, semi-bituminous, bituminous and lignite) 
to bitumen and asphalt. 
Case lA. — Diamonds from Kimberly Mines, South Africa. 
“Blue Ground” or matrix in which diamonds occur, from DeBeers 
mines. Cape Colony, South Africa. 
Case IB. — Graphite and manufactured articles in which 
graphite is an important constituent. 
Case 2 A. — Varieties of anthracite coal with analyses show- 
ing the heating power of each. 
Case 2B. — Semi-anthracite coal ; Semi-bituminous coal ; 
Bituminous coal. 
Case 3 A. — Cannel coal; Bituminous coal. 
Case 3B. — Lignite; Woody Fibre; Peat. 
Case 4:. — Crude and Refined Petroleum. 
Case 4A. — Coke — 48 and 72 hours. 
Case 4:B. — Eggette and block coal, manufactured from 
slack. 
Case 5 A. — American, German and French manufactured 
pressed coal; Coal shales; Fossils of the coal measures. 
Case 5B. — Varieties of coke. 
Case 6A. — Liquid Bituminous coal; Petroleum shale. 
Case 6B. — Asphaltum minerals. 
Case 7. — Applications of Asphaltum. 
North Platform. — Section of coal seam five feet in thickness, 
from Duckenfield and Merthyr collieries. New South Wales. 
Blocks of anthracite coal one to four feet thick, from Pennsylvania, 
Washington and West Virginia. Kerosene shales and cannel 
coal, New South Wales. Block of asphaltum weighing one ton, 
California. 
Cases 3-12. — Varieties of coal from various localities. 
