House for Forcing Vines in Po's. 
REFERENCES. 
a The flues, 
6 An air-chamber under the pit 
c Archways left in the walls 
which bear the floor of the 
pit, to admit a person thro' 
for cleaning- and repairing'. 
d Pit, 7 feet 4 inches wide 
e Back shelf. 
y Furnace. 
g Partition to inclose the ^'ines 
planted in the front border, 
for the rafters. 
k Apertures to admit the hot air 
into the house. 
I Back and front walks. 
k Door. 
I Vine pots, shewing^ the man- 
ner of training-, &c. 
m Level of the ground. 
n Part of front partition filled 
with soil, to keep the Vines 
cool. 
a s >f S f ^ 
J—J — 1_: ( ■■.. 
