48 



APPLIED BACTERIOLOGY 



34. When the damper rises (which it will do when the 

 interior reaches the boiling-point of the capsule), you must 

 move the lead weight along the lever as described in 

 paragraph 20. 



EATED BY A LaJIP. 



35. When tlie tiierniomeuti registers the desired tem- 

 perature, clamp the lead "weight to the lever hy means of 

 the milled head-screw which goes through it. 



36. After having been once adjusted jt will he found that 

 the heat in the interior will remain constant, notwithstand- 



