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The Amateur Propagator. 
quarter red deal boards, and fix these in front of the pipes at the same 
distance from the latter as they are from the wall. Build the side up level 
with the bottom of the front sash, and arrange the length according to space 
or requirements. The further end must be closed up with boards so cut as 
to encircle the pipes. If this is a difficult matter the space can be filled 
with asbestos fibre. In the bottom of the frame place sufficient broken bricks 
or other rough material to fill up to the base of the lowermost hot-water pipe ; this 
is to serve as drainage. On the brick rubbish put some coarse cocoa-nut fibre 
refuse to fill the remainder of the space to within six inches of the top. The 
fibre is for plunging the pots in to the rim, and for holding the moist heat 
Fig. 12. 
given off from the pipes in the centre. On the opposite side of the frame a 
piece of board must be fixed, on which to hang a glazed sash by means of 
hinges. This sash must be fixed so as to give a gentle slope, and thus prevent 
the possibility of condensed moisture dripping on the cuttings. The dotted 
lines in Fig. 12 show the height to which the tops of the pots of cuttings and 
seedlings should be allowed to attain. If you cannot afford a sash, panes of 
21 oz. glass, sliding in a rabbet at top and bottom would do. The fibre must 
be kept moist by frequent watering, as the pipes soon exhaust the moisture. 
A propagator of this kind can be utilized for forcing bulbs as well as raising 
plants from seeds or cuttings, and the fact of its being placed on the hot-water 
