38 BEE-KEEPING FOR PROFIT 
should always be used as inverted feeders 
as the quantity and condition of the remaining 
food can be seen at a glance. 
Scrupulous cleanliness is necessary with all 
feeders, or the food is liable to turn sour or 
ferment. 
Uncapping Knives.— Used for the purpose 
of removing the cap of wax from the cells 
when extracting the honey from the combs, 
these knives should be made of good material 
and be kept perfectly clean and bright. Blades 
which discolour quickly should not be used, 
and where large quantities of honey are 
extracted at a time it is advisable that two 
knives should be available. This enables the 
process to be continuous, as one knife can be 
heated—in hot water—while the other is in 
use. 
In using the knife it is better to give it a 
sawing motion when uncapping, for by so 
doing the chances of injuring the cells are con- 
siderably lessened. It should be so arranged 
that the cappings fall, as they are removed, 
into a tray or dish. 
The Extractor.—This is a machine which 
should be included in the outfit of every bee- 
keeper who is working with a view to profit. 
The initial outlay may seem large, but by its 
