420 SUMMARY OF CURRENT RESEARCHES RELATING TO 



MICROSCOrv. 



A. Instruments, Accessories, etc.* 

 ill Stands. 



Bausch and Lomb's Binocular Microscope (Greenough Type).t — 

 This instrument (fig. 28) is lettered K A, and is described on page 58 



Fig. 28. 



of the maker's catalogue. The base is of the modified horse-shoe form 

 and of rounded contour. The pillar is of one piece with the base, 

 and is detachable from the Microscope by removing two binding 



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

 Illuminating and other Api^aratus ; (-i) Photomicrography ; (5) JMicroscopical 

 Optics and Manipulation ; (6) Miscellaneous. 



t Bausch and Lomb's Catalogue, Microscopes, 111 pp. (many illustrations), 

 Rochester, N.Y., and London. 



