containing the vials to be filled. These vials have been very carefully cleansed and plugged with cotton wool. They are placed in the copper box and sterilised by dry heat at 175° C. They measure 27 m.m. by 8 m.m. A vial is taken from the box and the cotton wool plug removed and c.c. of lymph is run into the vial from the glass nozzle by easing the spring
Fig. 5.
Filling the Lymph.
clip. The charged vial is then placed quickly in a wooden block, having holes to receive the vials. Another Assistant takes the vial and securely corks it. The corks are also kept in a copper box which has a perforated false bottom, each cork being placed head up in a perforation of the false bottom. They have been sterilised in position, by autoclaving, at a temperature of 125° C. for 45 minutes. The Assistant grasps the cork