136 Neue Literatur. XXIX, 1. 



(Zakrzewski , C. ,) Half-shadow interferometer as photometer (Journ. R. 



Microsc. Soc. 1912, pt. 2, p. 236; vgl. Bull. Int. Acad. Sc, Cracovic, 



Cl. sc. math. vol. VIII, 1911, p. 545). 

 Kküss' universal arc lamp with steady light-source (Journ. R. Microsc. 



Soc. 1912, pt. 2, p. 236; vgl. Zeitschr. f. phys. u. chemischen Unterr. 



Bd. XXIV, 1911, p. 283; Deutsche Mechan.-Zeitg. Bd. XXIII, 1911, 



p. 241). 

 Petrol-vapour incandescent gas lamp (Journ. R. Microsc. Soc. 1912, pt. 1, 



p. 100; vgl. Watson's Specialcatalogue 1912). 

 Watson and Sons' resolving microscope tray (Journ. R. Microsc. Soc. 



1912, pt. 1, p. 107). 



c. Mikrometer. 



Gordou, J. W., Vernier micrometer (Journ. R. Microsc. Soc. 1912, pt. 2, 

 p. 245). 



d. Verschiedenes. 



Föppl, A., Die Sprödigkeit von Glas (Aus: „Sitzungsber. d. bayer. Akad. 



d. Wiss.", p. 505— 522). S». München (G. Franz) 1911. — -40 M. 



Leishman , W. B. , The corrcction of refraction for microscope work 



(British med. Journ. 1912, no. 2GG4, p. 123 w. 1 fig.). 

 (Nelson, E. M. ,) Iraproved water microscope (Journ. R. Microsc. Soc. 



1912, pt. 1, p. 95; vgl. English Mechanic vol. XCIV, 1911, p. 348). 

 (Nelson, E. M.,) Improved Compound microscope by James Mann (Journ. 



R. Microsc. Soc. 1912, pt. 2, p. 229; vgl. Journ. Quekett micr. Club, 



ser. 2, vol. XI, 1911, p. 317). 

 Microscope Stands [English a. Continental] (Journ. R. Microsc. Soc. 1912, 



pt. 1, p. 97, pt. 2, p. 231). 



3. Mikrophotographie und Projektion. 



Barnard, J. E., A geometric slide photomicrographic apparatus (Journ. 



R. Microsc. Soc. 1912, pt. 1, p. 1). 

 Braus, H., Mikro-Kino-Projektionen von in vitro gezüchteten Organanlagen 



(Wiener med. Wochenschr. Jahrg. LXI, 1911, No. 44, p, 2809-2812). 



