I, 1. Neue Litoiatur. 147 



Weniiam's mechanical stage (Journ. R. JNIicrosc. Soc. Ser. IT vol. III. 1883, 

 pt. 2 p. 280). 



f. Beleuchtungsapparate und Projectionsmikro.skope. 



Bussereau, B., Note sur Teclairage ä fond noir de Nachet (Journ. d. Photogr. 



et Microsc. VIII<- annee, no. 2 ; übers. [Nachet's black-ground illuminator] 



Microsc. News vol. III, 1883, no. 32 p. 236). 

 Folsoni, D., A home-made substage condensor (Am. Monthly Microsc. Journ. 



vol. lY, 1883, no. 3 p. 46). 

 German „cylinder-diaphragms" and condensors (Journ. R. Microsc. Soc. 



Ser. II vol. III, 1883, pt. 3 p. 426 aus Behrens, W., Hilfsbuch z. Ausfuhr. 



mikrosk. Unters. 1883). 

 Gündlach's substage refractor (Journ. R. Microsc. Soc. Ser. II vol. III, 1883, 



pt. 1 p. 127). 

 Manipulation of tlie Beck vertical üluniinator (1. c. p. 424 nach Smith, E., 



How to see with the microscope). 

 Tolles' frontal-prism illuminator (Journ. R. Microsc. Soc. Ser. II vol. III, 1883, 



pt. 1 p. 127). 



Hardy, J. D., Gas lamp for microscopic use (Journ. Quek. Microsc. Club 



vol. T, 1883, p. 197). 

 van Heurck, H., La lumiere electrique appliquee aux recberches de la micro- 



graphie (Journ. de Microgr. t. VU, 1883 Mai, p. 244). 

 Hobson. B., The electric light applied to the microscope (Sei. - Goss. 1883, 



p. 171). 

 N. J., A new lamp-shade (Am. Monthly Mcrosc. Joum. vol. IV, 1883, no. 4 p. 63). 

 (Smith, J. E.), Blue-tinted lamp chimneys, leight moderators, &c. (Joiu-n. R. 



Microsc. Soc. Ser II vol. III, 1883, pt. 4 p. 575). 

 (Smith, J. E.), Illumination by sunlight (1. c. p. 574). 

 Stearn, C. H., On the use of incandescence lamps as accessories to the 



microscope (1. c. pt. 1, p. 29. — cfr. Engl. Mechan. vol. XXXVI, 1883, 



p. 403). 

 Voit, C. V.. Verwendung der elektrischen Beleuchtung bei anatomischen, mi- 

 kroskopischen und spectroskopischen Arbeiten (Centralztg. f. Opt. u. Mech. 



vol. IV, 1883, p. 206). 

 Electric Illumination for the microscope (Microsc. News vol. III, no. 26, 



p. 56). 



(Hitchcock, R.), The projecting microscope for class demonstrations (Am. 



Monthly Microsc. Journ. vol. IV, 1883, no. 1 p. 15). 

 Ryder, J. A., The Holman läutern microscope (Journ. Franklin Institute 



vol. CXVI, 1883, p. 67 — cfr. Journ. R. Microsc. Soc. Ser. II vol. III, 1883, 



pt. 4 p. 551). 

 StoAvell, C. H., Projecting lanterns (The Microsc. vol. III, 1883, p. 51. — 



cfr. Journ. R. Microsc. Soc. Ser. II vol. III. 1883, pt. 5 p. 706). 



10* 



