92 



SUMMARY OF CURRENT RESEARCHES RELATING TO 



the feed-wheel advances the specimen one micron or 03-.ro 00 1U - toward 

 the knife. By a circular adjustment the feed may be varied from one to 

 ten microns per stroke. The vertical movement is 1 in. 



Fig. 13 



This instrument (see figs. 12, 13) will cut single micron sections in 

 series without missing. 



Fig. 14. 



Leake's Microtome. — The accompanying cut (fig. 14) illustrates the 

 microtome shown by Mr. Hugh M. Leake at the meeting of the Society 

 on January lGth (see p 106), designed for cutting perfectly flat sections. 



