MICROSCOPE, SHOWING PARTS. 



Bausch & Lomb Optical Co., Rochester, N. Y. 



Parts: A, base; B, pillar; C. arm; D, body; E, nose-piece; F. ojectives; G-, 

 eye-piece; H, draw-tube; I, collar; J, coarse-adjustment; K, milled-heads; L, 

 fine-adjustment; M, stage; N, clips; O, mirror; P, mirror-bar; Q, substage; R, 

 substagebar; S, diaphragm. 



