220 Neue Literatur. XXIV, 2. 



Swift's Student's petrological microscope (Journ. R. Microsc. Soc. 1907, 

 pt. 1, p. 91; vgl. Swift and Son's Catal. 1906, p. 21). 



Swift's University Binocular Microscope (Swift and Son's Catal. 1906, 

 p. 11; vgl. Journ. R. Microsc. Soc. 1907, pt. 1, p. 91). 



Swift's Turrell Mechanical Stage (Swift and Son's Catal. 1906; vgl. 

 Journ. R. Microsc. Soc. 1907, pt. 2, p. 218). 



b. Beleuchtungsapparate. 



Reichert, C. , Neue Spiegelkondensoren zur Sichtbarmachung ultramikro- 

 skopischer Teilchen (Zeitschr. f. angew. Mikrosk. Bd. XII, 1907, H. 10, 

 p. 240). 



Reichert, C, Neuer Spiegelkondensor zur Sichtbarmachung ultramikro- 

 skopischer Teilchen aus der optischen Werkstätte C. Reichert, Wien 

 (Sitzber. chem.-physik. Ges. Wien 1906; vgl. Vierteljahresschr. Wiener 

 Ver. z. Ford. d. Unterrichts Bd. XI, 1906, p. 204). 



Swift's Substage with patent slow focusing (Swift and Son's spec. Catal. 

 1906; vgl. Journ. R. Microsc. Soc. 1907, pt. 2, p. 218). 



c. Lupen. 



Beck's Hand Demonstration Microscope (Journ. R. Microsc. Soc. 1907, 



pt. 1, p. 94). 

 Draper's improved Magnifier (Swift and Son's Catal. 1907, p. 66; vgl. 



Journ. R. Microsc. Soc. 1907, pt. 1, p. 91). 

 Swift's dissecting Lens (Swift and Son's Catal. 1906, p. 68; vgl. Journ. 



R. Microsc. Soc. 1907, pt. 1, p. 94). 

 Zeiss' Anastigmatic Magnifiers (C. Zeiss Katalog 1906; vgl. Journ. R. 



Microsc. Soc. 1907, pt. 2, p. 219). 

 Zeiss' Verant Lenses (C. Zeiss Katalog 1906; vgl. Journ. R. Microsc. 



Soc. 1907, pt. 2, p. 219). 



d. Verschiedenes. 



Bourgeois , L. , Sur quelques Instruments d'optique d'un usage courant 

 dans les laboratoires. Paris (Hachette & Cie.) 1907. 



