44 THE FORCING GARDEN. 
of the back wall, can be substituted for a cool orchard 
house that cost 22/. 12s. The advantages are not 
quite equal, but that the results will be nearly so I can 
vouch for, and further I can give plans and estimates 
in detail for each amount. The bottom runs can be 
easily taken off by unscrewing them, when the trees 
require to be lifted. 
