ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 



287 



MICEOSCOPY. 



a. Instruments, Accessories, &c.* 



(1) Stands. 



Grunow's Physician's Microscope.t--In this instrument, designed 

 by Mr. J. Grunow (figs. 35 and 36), the whole stand is of brass, with 



Fig. 35. 



Fig. 36. 



j^TSSSssssiSfa, 



rack-and-pinion coarse, and micrometer-screw fine-adjustments. The stand 

 can be inclined to any angle. The mirror is mounted on a double arm, so 

 that it can be swung above the stage for the illumination of opaque objects. 

 The substage is on a pillar attached to the base of the Microscope, and 

 may be turned aside, thus facilitating the exchange of accessories with- 

 out disturbing the object in the field. 



* This subdivision contains (1) Stands ; (2) Eye-pieces and Objectives ; (3) Illumi- 

 nating Apparatus ; (4) Other Accessories ; (5) Photo-micrography ; (6) Microscopical 

 Optics and Manipulation ; (7) Miscellaneous. 



t The Microscope, vi. (1886) p. 245 (1 fig.). 



