6 The Gardknkr's New Director. 



would alfo advifc Ibmc final! arches to be erefl.eti in the 

 back- wall, with holes in them to admit brooms to free 

 the flues of oot, and at conve ient diltances, which will 

 be better than attempting it in front, lell: the trees 

 might be thereby damaj^ed. 



Another method of ereSing trelaces, is by a large one 

 of iron, in which there are hooks fixed for the fupport 

 of the wooden trtlace, the upright bars are to be placed 

 at ten feei diflance from one another, and the crols bars 

 to run parallel with the tops of every flue; thefe uprights 

 are to be fecured at the top and bottom of the wall ; 

 and the crofs bars, which contain the hooks tor iupport 

 of the wooden trelace, muft be fecured to the uprights 

 at each end of the wall, at proper diftances. If you 

 chufe to make ufe of an iron trelace to fupport that of 

 wood, then you need have but one brick to cover the 

 flues. I would not recommend the wooden trelace to be 

 fooner erecied than the third year after planting of the 

 vines, fo that they may be faftened to it about a year 

 before they are forced. Nor would I ereft the glafs 

 frames fooner; but the flues, honks, or the iron trelace 

 and its hooks, m.ufl be executed at the time of building 

 the walls ; as alio the ovens for the flues artd their inades, 

 cf wl-.ich I fhall now treat. 



One large oven will warm forty feet of walling, and 

 no more ; and as there are 150 feet upon each hde of the 

 gate, four ovens on each T.de will be neceflfary, which 

 are to be tu-entv-eighi inches deep, and twenty inches 

 fquare at bottom', but may be floped ofl^ on ail fides to 

 two feet, (o as to be twenty-fix inches fquare at the 

 top, and equal in height to the entrance into the firll flue, 

 for the better draught of the fmoke into the flues, io be 

 executed of entire brick, and covered with large round 

 ones at' top, clofely joined and cemented with hot 

 cow's dung, yellow loam, firong lime, and fand, well 

 mixed together. The furnace and flues mull: be very 

 fmcothiy plaitlered with this compcfition, for the better 

 confinerrient of the fmcke. The place to receive the aflies 

 mufl: be one foot deep, and as wide as the bottom of the 

 oven, to have an iron door, in a frame of the fame, to 

 fhut as clcfe as pollible; and over it, and jufl: above the 

 bars which fupport the fewel, there mull be a fquare 



hole, 



