﻿406 Neue Literatur. XVI, 3. 



Bausch and Lomb's Continental (grand luudel) niicroscope (Journ. K. I\Iicr()sc. 



Soc. 1899, pt. 3, p. 331). 

 Powell's iron niicroscope (Journ. R. Microsc. Soc. 1899, pt. 3, p. 336). 

 Ross's new bacteriological microscope (Journ. K. Microsc. Soc. 1899, pt. 3, 



p. 329). 

 Ross's new model medical school educational microscope (Journ. R. Microsc. 



Soc. 1899, pt. 3, p. 327). 

 Sayre's pocket dissecting microscope (Journ. R. Microsc. Soc. 1899, pt. 3, 



p. 334). 



b. Tubus. 



Nelson, E. M., The rackwork coarse-adjustment (Journ. Microsc. Soc. 1899, 



pt. 3, p. 25G). 

 Beck's new triple nose-piece (Journ. R. Microsc. Soc. 1899, pt. 3, p. 339). 



c. Tisch. 



Bausch and Lomb's attachable mechanical stage (Journ. R. Microsc. Soc. 

 1899, pt. 3, p. 334). 



d. Beleuchtungsapparate. 



(Gebhardt, W.,) The rational use of dark-ground illumination (Journ. R. 



Microsc. Soc. 1899, pt. 3, p. 339; vgl. diese Zeitschr. Bd. XV, 1998, 



p. 289). 

 (Gebhardt, W. ,) Ueber rationelle Verwendung der Dunkelfeldbeleuchtung 



(Zeitschr. f. Instrumentenk. Bd. XIX, 1899, H. 5, p. 154; vgl. diese 



Zeitschr. Bd. XV, 1898, p. 289). 

 Schumachers, Beleuchtungsapparat mit elektrischer Glühlampe (Zeitschr. 



f. angew. Mikrosk. Bd. V, 1899, H. 2, p. 37). 

 Beck's achromatic condenser (Journ. R. Microsc. Soc. 1899, pt. 3, p. 338). 



