The object of this classic memoir is to furnish a general view ofall the
surveying and other geographical operations in India fromtheir first
commencement in order that, in reading reports ofcurrent work, ready means of
reference to the previous history ofeach branch of the subject may be at hand.
In case it is desired tofollow up an enquiry into the details of any particular
operationor series of operations, the references in the footnotes have beenmade
as copious as possible.