The forest pruner, or, Timber owner's assistant : a treatise on the training or management of British timber trees; whether intended for use, ornament, or shelter; including an explanation of the causes of their general diseases and defects, with the means of prevention, and remedies, where practicable: also, an examination of the properties of English fir timber; with remarks on the old and outlines of a new system for the management of oak woods / by William Pontey.