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 B and C. In C it is superheated and 

 passes out the tube D into the room. In this apparatus 



FIG. 15. 



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 



