468 Neue Literatur. XXIV, 4. 



b. Okulare. 



H. , Eye pieces of the Huyghenian or negative type as corrected for 



achromatism and equal deviation at the lenses (Engl. Mechanic. vol. 



LXXXY. 1907, p. 5G7— 569, 588—589, 612—613). 

 Voigtländer and Sons' Eye-pieces (Journ. R. Microsc. Soc. 1907, pt. 6, 



p. 731; vgl. Voigtländer s Katalog 1907). 

 Voigtländer and Sons' Screw-microineter eye-piece (Journ. R. Microsc. 



Soc. L907, pt. 6, p. 732; vgl. Voigtländers Katalog 1907). 



c. Objektive. 



Koristkä's L / 12 oil-iininersion objective (Journ. R. Microsc. Soc. 1907, pt. 6, 



p. 731 ; vgl. Suppl. z. Hauptkatalog No. 12, 1907). 

 Koristkä's new objective 6* (Journ. R. Microsc. Soc. 1907, pt. 6, p. 731 : 



vgl. Suppl. z. Hauptkatalog No. 12, 1907). 

 Voigtländer and Sons' objectives (Journ. R. Microsc. Soc. 1907, pt. 6, 



p. 731; vgl. Voigtländers Katalog 1907). 



d. Lupen. 



Voigtländer and Sons' rnagnifiers (Journ. R. Microsc. Soc. 1907, pt. 6, 

 p. 729; vgl. Voigtländers Katalog 1907). 



e. Beleuchtungsapparate. 



Reichert, C, Ein neuer Spiegelkondensor (Zeitschr. f. angew. Mikrosk. 



Bd. XIII, 1907, H. 9, p. 209). 

 Microscope Lamp (Journ. R. Microsc. 1907, pt. 6, p. 725; vgl. Engl. 



Median, vol. LXXXVI, 1907, p. 42). 



