302 
THE LADIES’ MAGAZINE OF GARDENING. 
fixed on with brass nails; no iron being used in any part. Along the 
upper edge of the box a groove is sunk to receive the lower edge of the 
glass roof, which rests securely in it. This groove is lined with lead ; its 
\ 
c 
b 
Elevation of one end of the box 
(6) and cover (c). 
inner lip is one-sixteenth of an inch lower than the outer; and at each end 
is a notch one-eighth of an inch only above the bottom of the groove, to 
allow the condensed moisture, which trickles down the inside of the glass, 
to flow back to the soil. Instead of lead, the lining of this groove should 
Fig. 75. 
d 
d 
---- - - -— | 
Plan of the box, showing the two partitions (d d ). 
be of brass, which would prevent the galvanic action which arises from the 
contact of the two different metals. 
It only remains to speak of the glass cover: its framework is made of 
brass, with a door on one side, made to fit close, but which can easily be 
