53 
of our dyestuffs, creosote,, carbolic acid, lyddite and many other 
substances of great importance. 
Case 2. — Asphaltum minerals. Petroleum shale. 
Case 3. — Rocks of the Saarbriicken Coal Fields of Ger- 
many. These form a typical series illustrating the rocks of a 
coal basin. 
Case 4 . — Peat and its uses. In this case are shown raw peat 
and stages in the process of making a fuel from it and of manu- 
facturing it into textile fabrics and paper. 
Case 5.— Lignites and Bituminous Coals from the Eastern 
States and Colorado. 
Case 6.— Bituminous Coals from the Western States and 
South America. 
Case 7.— Bituminous Coals from England. Coal from the 
Saarbriiken Coal Field, Germany. 
Case 8.— Bituminous Coal from the Westphalian Coal 
Field, Germany. Series illustrating the grading and cleaning of 
coal by washing. Anthracite Coal. Cannel. 
Case 9. — Asphalt and Cannel. 
Case 10. — Section of coal seam five feet in thickness, from 
the Bore Hole seam, Duckenfield and Merthyr collieries. New 
South Wales. 
Case 11. — Large blocks of anthracite and bituminous coal. 
HALL 71. 
PETROLEUM AND ITS DERIVATIVES. 
This hall contains a very complete collection made by the 
Standard Oil Company to illustrate modes of occurrence in nature 
of the mineral oils of the United States, the methods used for dis- 
tilling and refining them and the products obtained. It contains 
a specimen of crude oil from every pool in the United States; 
specimens of various oil bearing sands and minerals of the oil 
strata; models of oil refineries and a complete series of the pro- 
ducts of petroleum. By following the order given below, the 
visitor will find illustrated: (i), the natural history of petroleum; 
(2), its manufactured products, and (3), the uses or applications 
of these. 
