This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1810 Excerpt: ...to the neighbouring hard wood, by over-hanging them with their spreading tops. The next eight years, making from 32 to 33 years, being as far as I can go from experience at this place, many of the larches and firs taken down, square l0inches or a foot, which sell at two shillings per cubic foot, and are applicable to almost all purposes of building, as well as to those mentioned in the former years. The birches being the only hard wood which are large enough to be cut at this period, are useful for prop wood, mining ditto, clog soles, &c. This fourth operation of thinning, leaves the trees at a considerable distance, so as to enable the remaining ones to grow to a large size, which, I think, ought, the next eight years, viz. at the age of 41, to be left at a timber distance, not containing more than 500 per acre, and which may grow so large, as to make 50 feet of wood per tree, perhaps much more; the value of which will depend upon the times. It must here be observed, that as the Scotch firs have long ago answered their purpose as nurses, and are beginning to tyrannize over the hard wood, I have taken in some places most of them" down, and shall continue to do so, except where left for ornament, by being mixed with other tints. 1th. The value, or probable oalue of an acre, at the following ages, viz. 20, 3O, 40, and 5O years, including the value of the different thinnings? I am sorry I have no documents by me, to fix the exatt value of the wood, at the ages you mention; but I am certain, that at this period of 33 years, the profits from the thinnings have amply repaid the purchase money of the land; also all labour and other expences attending the execution of the work, together with interest. tth. The kinds of trees generally left to stand for tim... Это и многое другое вы найдете в книге General view of the agriculture of the county of Durham, with observations on the means of its improvement (Great Britain. Board of Agriculture)