XIX, 2. Neue Literatur. 269 



Seibert's large model microscope no. 3 (Journ. R. Microsc. Soc, 1902, 



pt. 1, p. 101). 

 Seibert's mineralogical stand (Journ. R. Microsc. Soc. 1902, pt. 2, p. 2.34). 

 Seibert's new dissecting microscope (Journ. R. Microsc. Soc. 1902, pt. 1, 



p. 101). 

 Seibert's travelling microscope (Journ. R. Microsc. Soc. 1902, pt. 1, p. 98; 



vgl. Zeitschr. f. angew. Mikrosk. Bd. VII, 1901, p. 141). 



b. Objectiv. 



(Adee, A. A.,) Hastings' apochromat (Journ. R. Microsc. Soc. 1902, pt. 2, 

 p. 236; vgl. Journ. applied Microsc. vol. IV, 1901, p. 1442). 



Nelson, E. M., The first english achromatic objectives (Journ. R. Microsc. 

 Soc. 1902, pt. 1, p. 16). 



Albrecht's objective-carriers (Journ. R. Microsc. Soc. 1902, pt. 2, p. 237; 

 vgl. Centralzeitg. f. Opt. u. Mechan. Bd. XXIII, 1902, p. 2). 



c. Ocular. 



Hartwich, C, Ueber ein Paar Mikroskopoculare mit Messvorrichtung 



(Centralzeitg. f. Opt. u. Mechan. Bd. XXIII, 1902, p. 11). 

 Murbach, L. , A deraonstration eyepiece (Journ. applied Microsc. vol. V, 



1902, no. 2, p. 1648). 

 Schaffner, J. H. , Oculars for general laboratory work (Journ. applied 



Microsc. vol. V, 1902, no. 2, p. 1646). 



d. Mikrometerschraube. 



Ashe's two-speed fine adjustments (Journ. R. Microsc. Soc. 1902, pt. 2, 

 p. 232; vgl. Journ. Quekett Microsc. Club vol. VIII, 1901, p. 131). 



