﻿XVI, 2. Neue Literatur. 275 



Pillischer's international luicroscope (Journ. K. Microsc. Soe. 1899, 



pt. 1, p. 77). 

 Powell's iron microscope (Journ. R. Microsc. See. 1899, pt. 2, p. 209). 

 Reichert's cheap stand (Journ. R. Microsc. Soc. 1899, pt. 2, p. 217). 



b. Objectiv. 



(Harting, H.,) Formula? for small-aperturecl objectives (Journ. R. Microsc. 



Soc. 1899, pt. 1, p. 84; vgl. Zeitschr. f. Instruinentenk. Bd. XVI, 1898, 



p. 331). 

 Keeley, J. B., The effect of cover glass thinkness on the Performance of 



wide aperture dry objectives (Microsc. Bull. 1899, p. 12). 



c. Tisch. 



(Koltzoif, N. K., a. Ivanoff, L. A.,) New stage finder (Journ. R. Microsc. 



Soc. 1899, pt. 1, p. 96; vgl. diese Zeitschr. Bd. XV, 1898, p. 3). 

 Bausch and Lomb revolving mechanical stage (Journ. R. Microsc. Soc. 



1899, pt. 2, p. 222). 

 Improved stage construction (Journ. R. Jlicrosc. Soc. 1899, pt. 1, p. 79). 

 Microscope with new mechanical stage (Journ. R. Microsc. Soc. 1899, 



pt. 1, p. 80). 

 Reichert's mechanical stages i, Journ. R. Microsc. Soc. 1899, pt. 2, p. 216). 



d. Beleuchtimgsapparat. 



Keeley, J. B., Some further discussion of achromatic condensers (Microsc. 



Bull. 1899, p. 11). 

 (Nagel, W. A.,) Monochromatic light (Journ. R. Microsc. Soc. 1899, pt. 1, 



p. 94; vgl. Biol. Centralbl. Bd. XVIII, 1898, p. 649). 

 Rheinberg, J., Notes on colour-illumination, with special reference to the 



choise of suitable colours (Journ. R. Microsc. Soc. 1899, pt. 2, p. 142). 

 White, J. , Achromatic condenser construction (Microsc. Bull. 1899, p. 9). 

 Bausch and Lomb new complete substage (Journ. R. Microsc. Soc. 1899, 



pt. 2, p. 219). 



18* 



