I, 1. Neue Literatur. 145 



New microscopes (Am. Montlily Microsc. Journ. vol. IV, 1883, no. 1, p. 5). 



Plössi, s large stand (Journ. R. Microsc. Soc. Ser. II vol. 111, 1883, pt. 5 p. 703). 



Seibert's traveUing microscope (1. c. pt. 3 p. 418). 



Swift and Son's radial inclining microscope (1. c. pt. 5 p. 704). 



The „Acme" no. 3 improved (Am. Monthly Microsc. Journ. vol. IV, 1883, no. 6 



p. 110). 

 Verick's travelling or pocket microscope (Journ. R. Microsc. Soc. Ser. II 



vol. III, 1883, pt. 2, p. 277). 

 Watson's portable swinging mirror and substage microscope (1. c. pt. 4 



p. 544). 

 Watson's student's microscope (Engl. Mech. vol. XXXVIII, 1883, p. 52). 

 Wekham's radial mici'oscope (Am. Monthly Microsc. Journ. vol. IV, 1883, 



no. 8 p. 145). 



b. Objectiv. 



Bradbury, W., The achromatic object-glass. no. XV— XVIII (Engl. Mech. 



vol. XXXVII, .1883, pp. 3, 74, 100, 188, 259, 805, 329, 356, 377, 405, 



451, 498, 521, 591). 

 Fripp, H. E., AiiBE'd method of testing objectives (Am. Monthly Microsc. 



Journ. vol. IV, 1883, no. 10 p. 187)." 

 Hitchcock, R., Testing objectives (1. c. p. 194). 

 Moore, A. Y., A new '/e inch objective (Am. Monthly Microsc. Journ. vol. IV, 



1883, no. 1 p. 2. — cfr. Microsc. News vol. ni, 1883, no. 27 p. 69). 

 Moore, A. Y., Testing microscope objectives (Am. Monthly Microsc. Journ. 



vol. IV, 1883, no. 3 p. 52. — cfr. Microsc. News vol. IH, 1883, no. 29 



p. 146). 

 Moore, A. Y., The measurement of numerical aperture (The Microsc. vol. III, 



1883, p. 97). 

 Nelson, G. M. , Powell and Lealand's V25tb inch homogeneous immersion 



objective 1-40 (1'38) N. A. and fine adjustment to the substage (Journ. 



Quek. Microsc. Club vol. I, 1883, p. 142. — cfr. Engl. Mech. vol. XXXVII, 



1883, p. 104). 

 Peragallo, H., Considerations elementaires sur l'ouverture des objectifs mi- 



croscopiques et les moyens de la messurer (Nach Bulletin de la Soc. 



d'Hist. Nat. de Toulouse in: Journ. de Microgr. t. VII, 1883, p. 326). 

 Sloan, J,, A good objective (Am. Monthly Microsc. Journ. vol. IV, 1883, 



no. 10 p. 198). 

 Strowell, C. H., Our new '/soth objective (The Microscope vol. III, 1883, 



p. 14). 

 Correction-adjustment for objectives (Am. Monthly Microsc. Journ. vol. IV, 



1883, no. 2 p. 28). 

 Leitz' oil - immersion one - eighteenth (Microsc. News vol. III, 1883, no. 33 



p. 265). 

 Penetration in objectives (1. c. no. 30 p. 172). 

 The aperture shutter (Am. Monthly Microsc. Journ. vol. IV, 1883, no. 7 



p. 134). 



iCeitschr. f. -niss. Mikroskopie. I. 1. 10 



