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Work to be done in the Garden . 
tender plants, as well as in winter to give light 
to the pit plants. 
These frames are made of four stout pieces of 
wood, nailed and fastened firmly at the corners — 
they ought to be thick enough to allow of being 
morticed or dovetailed in. 
This frame should be the depth of the pit from 
back to front, and half or a third or a fourth of its 
length, according as you mean to have two, three, 
or four lights — if, that is to say, you mean to have 
more than one. Let the lights be large enough to 
cover the walls as well as the pit itself. 
Having made the outer frame, you can nail a few 
•spars on, lengthways does best, with perhaps one 
across to strengthen them in the middle. Three 
most likely will do to support the linen that is to 
cover it ; if you want more strength some pack- 
thread lines may cross it any number of times. 
The linen then has to be nailed tightly on — some 
coarse common linen or calico — being painted over 
on both sides with boiled linseed oil and whiten- 
ing. Paper also answers the same purpose, being 
painted over merely with the boiled linseed oil, 
which is bought ready boiled at the oilman’s. 
These sort of lights are said to keep in more 
heat than even glass does, but of course they 
