The Use of a Simple Mia'oscope. 



21 



liiglier mag-nifying eyepieces, two of which are also shown in 

 the same figure. 



A cheap but strong and effective form of microscope has 

 been introduced under the title of "Student's," and these are 

 now sold by opticians at from 2 or 3 to 5 or 6 guineas. In most 

 of these, strength and real usefulness has been more considered 

 than high finish and unnecessary ornamentation, and for ordinary 

 use they answer every purpose. 



A very ingeniously contrived " pocket" microscope has re- 

 cently been introduced by Mr. Moginie, at Mr. C. Baker's, which 

 is cheap as well as portalDle (Fig 19). 



The most valuable invention of modern times in relation to the 

 microscope is the "Wenham Binocular" (Fig 20). The use of one 

 eye only at a time (which the common microscope involved) was 



