232 



Sheppard : Early Microscopes. 



various parts of ' The double microscope, commonly, though 

 very improperly, called the Reflecting Microscope.' 



AB — Body of the microscope in which slides CD. 



E — Eyeglass. 



F — Broad middle plano-convex glass. 



G — Object glass. 



HK— Pedestal. 



I — Tube carrying object glasses. * 



^f-^'f^^^f 





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• 



Fig. 4. 

 Accessories to Microscope shown in fig'. 3. 



J^ — Pair of nippers. 



L — Drawer. 



M — The stage. 



N — Slider carrier. 



O— Slider. 



P — Fish-pan (to show circulation). 



R — Concave looking-glass (mirror). 



S — A plate, ivory one side, and ebony the other, for objects 

 shown by light from the glass a, which turns on 

 two screws e and d, and is fixed in a hole /. 



Naturalist, 



