Depreciation as related to electrical properties

There is to-day probably no subject requiring more illumination and coördination by the engineering profession than that of depreciation. The recent generally recognized necessity on the part of individuals and corporations, and the increasingly insistent demands by commissions, legislatures, and courts for proper allowances covering the reduction in worth of physical properties — be it more or less rapid — has resulted in a divergence of thought and a lack of uniformity of practice that is bewildering.