ZOOLOGY AND BOTANY, MIOBOSCOPT, ETC. 



Fig. 8. 



147 



either side of the end of the box, increasing its stability when the Microscope 

 is used in a horizontal position. 



The box contains eye- 

 pieces, cameras, animalcule- 

 boxes, and other accessories. 



Nachet's Compound and 

 Single Dissecting Micro- 

 scope. — In this instrument 

 (fig. ^ 9) M. Nachet has 

 applied the arrangement of 

 his Travelling Microscope 

 for readily converting it 

 from a compound to a single 

 Microscope. This is accom- 

 plished by unscrewing the 

 milled ring L at the base of 

 the pillar V A, when the 

 latter, with the body-tube, 

 can be removed from the 

 lower part of the instrument 

 P F, and an arm H, carrying 

 dissecting lenses, substituted. 



Though the conversion is 

 rapidly eflfected, the connec- 

 tion does not appear to be in 

 any way wanting in solidity.* 



* A similar arrangement was ^t - 

 adopted in the Nachet Travelling ^1 

 Microscope. ^^;=^ 



L 2 



