Microtomes : their Choice and Use 



243 



in the Zeitschrift filr loissenschaftliche Mikroskopie und fur 

 mikroskopische Technik, Band ix., 1892, and Band xv., 

 1898 ; also an abbreviated translation of the above article 

 in the Journal of the Royal Microscopical Society, 1893 and 

 1899. 



Schanze's Microtomes. — We have now to describe some 

 of the instruments constructed by Herr Schanze of Leipzig, 

 whose name has been already mentioned (Pig. 57, etc.). His 

 microtomes are second to none in accuracy and beauty of 



Fig. 65. — Model 'B' Mickotomb by Schanze. 



workmanship; indeed, it is doubtful if the instruments of 

 any manufacturer excel in general utility those of Schanze. 

 Fig. 65 illustrates his Model ' B ' with focusing arrangement. 

 The knife-carrier is a solid block of metal, having three 

 raised ridges, which slide in the long V-groove upon three 

 raised rails. The knife is fixed by means of the thumb- 

 screw seen upon the upper surface of the block. The screw 

 is movable from end to end of the block, so that the knife 

 may be fixed in any position. The thread of the screw is 



16—2 



