DISINFECTION AND STERILIZATION. 183 
been made by the originator of the previous apparatus, 
Mr. Taylor, partly through our suggestions. 
In the new form (Fig. 15) the formalin is first boiled 
in the large chamber and passes as vapor through the 
tube connecting Band C. In C it is superheated and 
passes out the tube D into the room. Jn this apparatus 
Fie. 15, 
Ml 
4d 
| tl. sa, 
= 
———| 
Formaldehyde apparatus. 
there is nothing to get out of order, and it operates 
quickly. Up to the present time this is the most prac- 
tical apparatus we have met with, when the initial cost, 
about $25.00, is not an objection. It is handled by 
H. K. Mulford Company, Philadelphia. In all forms 
of apparatus where formalin is used the large receiving 
