XX, 2. Neue Literatur. 255 



2. Mikroskop und mikroskopische Apparate. 



a. Neue Mikroskope. 



Bergmann , Das Trichinoskop (Zeitschr. f. Fleisch- u. Milchhyg. Bd. XIII, 



1903, H. 4, p. 111). 

 Ives, F. E., A new binocular microscope (Journ. Franklin Inst. vol. CLIV, 



1902, p. 441 ; vgl. Journ. R. Microsc. Soc. 1903, pt. 1, p. 85). 

 Ives, F. E., Ein neues Binocularmikroskop (Centralzeitg. f. Opt. u. Median. 



Bd. XXIV, 1903, no. 4, p. 38). 

 Köhler, A., Das ZEiss'sche Trichinoskop (Zeitschr. f. Fleisch- u. Milchhyg. 



Bd. XIII, 1903, H. 4, p. 107). 

 Leitz, E., Ein neues Mikroskopstativ und seine feine Einstellung (Zeitschr. 



f. Instrumentenk. Bd. XXIII, 1903, H. 3, p. 79). 

 Barbour's pocket microscope (Journ. R. Microsc. Soc. 1903, pt. 1, p. 90; 



vgl. Journ. applied Microsc. vol. V, 1902, p. 19(53). 

 Französische Mikroskope (Centralzeitg. f. Opt. u. Mechan. Bd. XXIII, 1902, 



p. 98). 

 Portable class-microscope (Journ. R. Microsc. Soc. 1903, pt. 1, p. 89). 

 Watson and Sons' metallurgical microscope (Journ. Microsc. Soc. 1903, 



pt. 1, p. 86). 

 Watson and Sons' museuin microscope (Journ. R. Microsc. Soc. 1903, 



pt. 1, p. 88). 



b. Objectiv. 



(Bourguet, A. ,) New arrangement for avoiding injury to preparations 



when focussing with high powers (Journ. R. Microsc. Soc. 1903, pt. 2, 



p. 220; vgl. diese Zeitschr. Bd. XIX, 1902, p. 35). 

 (Cheshire, F. J.,) Method of using Abbe's apertometer (Journ. R. Microsc. 



Soc. 1903, pt. 1, p. 93; vgl. Queckett Microsc. Club 1902, p. 349). 

 (Cheshire, F. J.,) Simple method of focometry and apertometry (Journ. 



R. Microsc. Soc. 1903, pt. 1, p. 93; vgl. Journ. Queckett Microsc. 



Club 1902, p. 331). 

 Patterson, W. L. , A new changing nosepiece (Journ. applied Microsc. 



vol. VI, 1903, no. 2, p. 2162). 



