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a, bed to plunge or plant out in ; b b 3 hot air cham- 

 ber ; c c 3 gutter with pipes supplying heat to the 

 atmosphere ; d d 3 area where vines are planted and 

 laid down during the season of rest; e 3 a closely 

 fitted shutter is fixed here while the vines are laid 

 down ; / and g show an offset in brickwork which 

 carry the back footpath ; h h h, register gratings to 

 regulate air to chamber (5) ; h 3 ventilators in front 

 wall, regulated to admit or shut out air from the 

 area (d) ; b 3 descending air cavity ; m 3 ascending 

 air cavity ; n 3 floor of potting shed ; o 3 cellar or root 

 store ; p, passage to ditto, which is an open area 

 except where an arch crosses, forming entrance to 

 potting shed (n) ; r, tank for water from the roof; 

 s, boiler ; t 3 stoke hole ; v, a vinery ; w 3 a plant 

 house ; x, sl surface of vine borders. The pipes 

 being laid in the gutters (c) will readily suggest the 

 facility with which the atmosphere may be charged 

 with moisture ; or, on the contrary, when a dry heat 

 is desired, the water has only to be withdrawn from 



