ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 



1037 



MICROSCOPY. 



o. Instruments, Accessories, &c* 



Bausch & Lomb Optical Co-'s New Student Microscopef — The 

 Bausch & Lomb Optical Co. have issued the low-priced Microscope 

 for students shown in fig. 201. It is constructed on the Wale principle 



Fig. 201. 



of concentric inclination of the arm, by which the instrument 

 becomes more firm the further it is inclined. It also has a new roller 



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

 (3) Illuminating Apparatus ; (4) Other Accessories ; (5) Photo-micrography ; 

 (6) Manipulation ; (7) Microscopical Optics, Books, and Miscellaneous matters. 



f The Microscope, vi. (1886) p. 199 (1 fig.). 



