22 



PRACTICAL MICROSCOPY. 



out detaching any portion of the instrument, as shown in 

 Fig. 13. The stand also folds in a novel manner and 

 packs into a case, the outside dimensions of which are 

 6x6x9 inches. 



FIG. 12. 



It may now be as well to notice those forms of micro- 

 scope to which swinging substages have been adapted, or 



