Abstract
E. C. Childs (School of Agriculture, University of Cambridge, Cambridge, England; received April 1, 1946)—Attempts to solve land‐drainage problems by impeccable mathematical analysis are rare enough, and Kirkham's latent contribution in this field is very welcome. The purpose of my present remarks is to discuss his weighing up of the relative merits of such analysis and the electrical analogue method which I have myself used. It is agreed that a complete mathematical analysis capable of giving detailed results comparable with those derived by analogues is still awaited; and I agree that such an analysis would be preferable if it were available, but my grounds are not the practical ones of Kirkham, who regards it as a relative disadvantage, presumably because of the labor and time required, that by my method a new analogue must be constructed for each particular new drain geometry.
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