APPENDICES. 141 



1868. Blanford, W. T., F.G.S—On the Coal Seams of the Neighbourhood of 



Chanda.— Eecords, Geological Survey of India, Vol. I, page 23. 



1869. Oldham, T., LL.D., F.E.S. -The Coal Field near -Chanda, Central Provin- 



ces.— Records, Geological Survey of India, Vol. II, page 94. 



1870. Oldham, T., F.E.S.-The Wardha Eiver Coal Fields, Berar and Central 



Provinces.— Eecords, Geological Survey of India, Vol. Ill, page 45. 



1871. Oldham, T., F.R.S.-Sketch of the Geology of the Central Provinces. 



Eecords, Geological Survey of India, Vol. IV, page 69. 

 1875. Fedden, F, F.G.S.-On the Evidence of 'Ground Ice' in Tropical India, 

 during the Talchir Period.— Eecords, Geological Survey of India, Vol. VIl£ 

 page 16. 



Section XXI.— Experimental Ieon Manufacture at Warora. 



The opening experimental trial by Mr. Ness, to determine the adapt- 

 ability of the coal and iron ore of the Chanda 

 First attempt to make A • , . , x ,, 

 cast iron. district to the manufacture of iron on a commer- 



cial scale of some magnitude, was made " from 

 the 26th to the 28th August 1875. On the latter date, from the giv- 

 ing way of one of the tuyeres, and allowing water to get into the 

 hearth, it got so cold that the furnace had to be let out, at which time 

 about 2 cwt. of iron had been reduced, and was afterwards taken out of 

 the hearth in one solid piece. The second trial with this furnace was 

 again commenced on the 21st and was closed on the 25th September 

 1875." 



The experiments were conducted in the same manner in both cases, 

 and were as follows* : — 



" The furnace, after being thoroughly dried, was filled for about three- 



■r, ,. , , fourths of its capacity with rough, dry timber, and 



Proportions of charge. ° J ' 



set fire to. On the top of this, a few feet of char- 

 coal were placed, and then regular charges of iron ore and coal, &c, were 

 made, consisting of 1 cwt. coal to J cwt. of Lohara iron ore, £ cwt. 

 Eatnapur iron ore, 201bs limestone, and an occasional blank charge of 



* Public Works Department Proceedings for May 1876. 



( 141 ) 



