O14 General Notes. 
distinguishable. If the bowl of the ladle is allowed to rest upon 
the bottom of the tank, it is more liable to become contaminated 
®© of the coil as a handle per- 
pendicular to the plane of the 
spiral. If sufficient distance 
is left between the coil and 
the edge of the tank, the 
weight of the coil will over- 
balance the weight of the 
obliquely placed ladle end of 
- the wire, and the latter may 
ie be made to occupy any 
depth in the paraffine by slightly altering the angle which the 
_ wire makes at the lip of the tank (Fig. 3). 
as regu- 
ga: the 
