792 



SUMilA-RY OF CURRENT RESEARCHES RELATINQ TO 



MICROSCOPY. 



a. Instruments, Accessories, &c.* 



(1) Stands. 



Thury's Five-tube Microscope. — M. Thury has designed, and the 

 Geneva Society for the Construction of Physical Instruments have con- 

 structed the Microscope with five body-tubes shown in fig. 120. 



Fig. 



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

 ininating and other Apparatus ; (4) Photomicrography ; (5) Microscopical Optics 

 and Mauiiiulatiou ; (6_) Miscellaneous. 



