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Published online by Cambridge University Press: 14 March 2011
So far as known to me, or as I can gather from any information as yet published, there is no locality in India from which true slates have been obtained of any value. I use the term in the sense in which it is now universally used by geologists, as well as by architects and builders, to imply a rock of homogeneous texture, capable of almost infinite division into thin plates or slabs, splitting with tolerably even surfaces of considerable size.
1 A valuable series of experiments on the stone and timber of the Gwalior Territory was carried out by Colonel A. Cunningham and published at Roorkee. (Professional Papers, No. IV.—1854). These may be referred to as a model for other enquiries of similar kind.