APPARATUS. 



This is still done with the Arnold. By use of the Durham tubes 

 which are to be preferred, except for gas analysis sugar media can be 

 thus sterilized, and glassware will come out with the wrappers as dry 



C . 



Fro. i. Dressing sterilizer showing cylinder containing water (K) heated 

 either by gas or Primus Kerosene lamps. 



and the plugs of test-tubes as stopper-like as could be effected in a hot- 

 air sterilizer. 



The objection which exists in the use of some autoclaves, as regards 

 condensation on dressings or apparatus, does not exist in this type. 



