of Three Acres and a half within the Walls. 671 



up the proper temperature ; therefore, to make the most of 

 the heat and the fuel consumed, I have carried the flue on the 

 back of both the peach-houses, likewise on the back of a d, 

 fig. 133., and a, fig. 136.; and, if required, the chimneys might, 

 by the use of dampers in the flues, be taken on the back of 

 b c,fig. 133., and of b, fig. 134. I have provided figs. 133. 

 and 136. with wooden shutters, as will be seen by the sections ; 

 these will slide over the sashes by means of pulleys, and in 

 the day-time, or when not in use, will lie under the roof. 



In my last communication (Vol. IV. p. 245.), for " ice- 

 house" read " tool-house." 



I am, Sir, &c. 

 September 3. 1828. Juvenis Olitor. 



Ground Plan of the two Peach-houses, {fig. 130.) a a, Boil- 

 ers ; b b, reservoirs ; c c, the pipes which go from the boilers 



130 



a to the reservoirs b, the water returning the same way back 

 by the lower pipe to the boilers ; d d, flues ; e e, a, trellised 

 walk ; ffi water cisterns. 



Interior Section of the two Peach-houses, {fig. 131.) a, Front 

 trellis ; b, back trellis ; c, border for the peach trees ; d, the 

 pipes ; e, the flue. 



Exterior Section of the two Peach-houses, {fig. 132.) 

 Ground Plan of the Cucumber and Melon Pits. {fig. 133.) 

 a b, Cucumber pits ; c d, melon pits ; a a, boilers ; b b and c c, 



