Apparatus 



carrier is so easily used with the rotary is another great advantage. 

 But the sliding microtome also has its advantages. Obviously, for 



FIG. 2. The student's microtome. 



sections of stems and 

 general celloidin work, 

 where the knife is used 

 in a very oblique posi- 

 tion, it is not only 

 superior, but it is the 

 only type which has 

 proved to be efficient. 

 Attempts to place the 

 knife in an oblique 

 position in rotary 

 microtomes have not 

 been encouraging. For 

 very thin paraffin sec- 

 tions the advantages 

 of the sliding micro- 

 tome are such as appeal only to the expert. With both rotary and 

 sliding types, a little of the paraffin is sure to stick to the side of the 



FIG. 3. Clamp to hold an ordinary 

 razor, a heavy microtome knife, or a 

 Strickler's holder. 



- ;_> 



