SUCCESS IN POULTRY CULTURE 
center cleats to bottom of machine; they 
should be fastened down with screws. 
The end cleats should be nailed on same 
height from bottom as center cleats, so 
that trays will set level. 
Nail a small cleat under each notch on 
inside of box so its upper surface will be 
1” below bottom of notch. Cut a 1x4 36” 
long and lay it on these cleats with its 
center directly under center of notches, 
and nail it there securely. 
In Fig. 7 are shown 
all of the pieces of the 
heater. A, B, C, D, E and F are galva- 
nized sheet-iron. A is 6”x 6”, with notch 
234” wide and 454” deep; B is 6” x 6”, with 
23,” hole in center; C is 774” x 7%”, with 
31%” hole in center; D is 3”x3”, and 
should have a right angle bend 1” from 
center of concave end. Cut two each of 
A, B, Cand D. E is two pieces of 2” con- 
ductor pipe, such as is used to lead rain- 
water from the roof: of buildings; the 
lower one is 48” long and the upper one 
is 38” long. They are fastened together 
with a piece of small wire tightly wrapped 
around them near each end. F is a 16%” 
piece of 3” conductor pipe with a 23%” 
106 
The Heater 
