Page:Willich, A. F. M. - The Domestic Encyclopædia (Vol. 4, 1802).djvu/456

42o] D R A occurs in the 2d vol, of " CommU' nicalions to the Board of Agritul- tare." The bog cjntaiued 3(5 sta- tute acres, which had from time immemorial been covered two or three feet deep with water j and which, during spring-tides, were overflowed by the sea, from a river taking its course through the land. As the low situation of the marsh rendered it impracticable to drain the bog by the aid of such river, recourse was had to a wooden pipe, furnished with valves, and connected with the shore at the j)art called HalJ'-elb. This expe- dient was attended with complete success : the soil was pared and burnt -y large quantities of clay and DRA other manure were carted ; and^ after persevering in these exertions for iive years, the whole of the land was "quite alive j" so that every kind of vegetables flourisht ' with great luxuriance. — For a moi. detailed account of this remarkablc improvement, the reader will con- sult the work above quoted. In the 19th vol. of the " Tram- actions of the Society for the En- couragement of Arts," &:c.' wt* meet with a description of a Drain- plough, construAed according to the plan of the patriotic Duke of Br.iuGKWATEK ; and of which the following figure will convey an ac- curate idea. A> B, is the beam of the plough. C, D, are the handles. E, the share, or sock. F, the coulter, or tirst cutter of the sod, which is lixtd to the share, G, is the other conker, or second cutter, which separates the sod from the land, and forwards it through t!;e open space between F and G. — This coulter is connected both with the share and with the beam. H, I, the sheath of the plough. K, the bridle or muzzle, to which the swingle-tree is titted. L, M, ar two cast-iron wheels, that may be raised or lowered by screws at N, pressing on the flat irons O, O ; to which the axis of each wheel is fastened. The- wheels regulate the depth, to wh.< '■ the share is designed to peneti-;- the soil, P, is a chain with an iron pi; for moving the screws at O. Six horses will be necessarj' to draw this plough, in clay-soi]» which have never been draineii ; every succeeding year, the imple- ment must be drawn through the same gutters ; when four horses will be sufficient. — In stiff*, Jlui lands, this drain-plough cannot cur the ground loo deeply ; but, if be employed on a declivity, tiw inches will, in general, be a sufficient deptli.