7a AUSTRALASIAN 
burning, which may consist of cotton rags, dry rotten wood, 
dried cow-dung, or any other material that will burn and 
produce a dense smoke, when:a few puffs of the bellows will 
set the smoker in working order. 
Fig. 87, CLARK’S COLD-BLAST SMOKER, 
Two of the best smokers now in use are made on different 
principles. In one the blast of air from the bellows is blown 
through the fire; in the other the draught enters the tube 
between the fire and the mouth of the tube. By this arrangement 
cold air is mixed with the smoke as it leaves the tube. The 
latter is termed a “cold-blast” smoker (Fig. 87) and the 
former a “ direct-draught ” smoker (Fig. 88). Each has special 
Fig. 88._BINGHAM’S DIRECT-DRAUGHT SMOKER, 
advantages not possessed by the other. The smoke blown from 
the “ cold-blast ” smoker being mixed with cold air instead of 
hot is an advantage I have no doubt appreciated by the bees ; 
