32 THE ELEMENTS OF VEGETABLE HISTOLOGY 



lenses and various mechanical accessories for greater 

 convenience and accuracy in manipulation (Figs. 

 16 and 17). While the simple microscopes do not 



give high magnifications, they are of great service 

 in work requiring views of an extensive fie.ld, as in 

 engraving, watch repairing, textile examinations and 

 the examination of floral parts. 



