zooLoay and botany, microscopy, etc. 



699 



MICKOSCOPY. 



o. Instruments, Accessories, &c.* 



Revolving Stage Microscope. — This instrument (fig. 136) appears 

 to have anticipated those of Klonne and Miiller and of Mirand figured 

 in this Journal, Vol. III. (1880) p. 144, and Vol. III. (1883) p. 897. 

 No definite date can be assigned to it, but it bears the appearance of 



Fig. 136. 



having been made at least twenty-five years ago. It was apparently 

 designed for some special purpose, as the rotating stage is only 4 in. 

 in diameter, and is not adapted to take even the Hmallest-sized slides. 

 The objects were placed in ten circular apertures (5/lG in. in diameter) 



• This BubdiviBion is arranged in the following order : — (1) Stands ; (2) Eye- 

 pieccH and Objc-ctivea; (3) Illuminating Apparatus; (4) Other Accessories; 

 fr») Fhoto-micrograpLy ; (0) Manipulation; (7) Microscopical Optics, Books, 

 and Miactlianeous matters. 



