382 Neue Literatur. XXIII, 3. 



Behn, N., u. Heuse, W. , Zur Demonstration der Abbe sollen Theorie des 



Mikroskops (Verh. d. phys. Ges. Bd. VIII, 1906, p. 283—289). 

 Brass, A., Die Linsenfassungen (Zentralzeitg. f. Opt. u. Mech. Bd. XXVII, 



1906, p. 15). 

 Brass, A. , Die Zusammensetzung von Linsensystemen (Zentralzeitg. f. 



Opt. u. Mech. Bd. XXVII, 1906, p. 31). 

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Microsc. Soc. 1906, pt. 4, p. 496 ; vgl. Rep. Exper. Stat. Com. Hawaian 



Sugar Planter's Assoc. 1905, p. 39 — 59). 

 (Day, A. L., u. Shepherd, E. S.,) Quarzglas (Deutsche Mechan.-Zeitg. 1906, 



H. 14, p. 137; vgl. Science vol. XXIII, 1906, p. 670). 

 (Gordon, J. W.,) Post-objective Stop (Journ. R. Microsc. Soc. 1906, pt. 3, 



p. 365). 

 (Meslin, G.,) Interferences produced by a network limiting a thin lamella 



(Journ. R. Microsc. Soc. 1906, pt. 4, p. 494; vgl. Compt. Rend. Acad. 



Sc. Paris t. CXLII, 1906, p. 1039—1042). 

 (Rublee, W. A.,) Fluid Lenses (Journ. R. Microsc. Soc. 1906, pt. 4, p. 491 ; 



vgl. English Mechanic vol. LXXXIII, 1906, p. 473). 

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3. Mikrophotographie und Projektion. 



Deegener, Der mikrophotographische Apparat von H. 0. Juel (Naturwiss. 

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Dieck, W. , Das Photomikroskop für ultraviolette Strahlen und seine Be- 

 deutung für die histologische Untersuchung, insbesondere der Hart- 

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DoUman, W. P., A simple method of producing stereo-photomicrographs. 

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Ernst, H. E., Ultra -violet photomicrography (Journ. of med. Research 

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Ernst, H. E., a. Wolbach, S. B. , Ultra -violet photomicrography [A pre- 

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Sabine, W. C. , The optical advantages of the ultra -violet microscope 

 (Journ. of med. Research vol. XIV, 1906, no. 3, p. 455). 



Taverner, H., A simple method of making stereo-photomicrographs, and 

 mounting the prints without cutting, 3 Tfln. u. 2 Figg. (Journ. R. 

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