3082 Immersion Objectives 



focal length of 3-9 mm. Kerber, A. Cztg. 

 Opt. 11 (1890) 73-, 86-. 



, accurate photographic method of deter- 

 mining. Legros, V. G. B. 130 (1900) 270-. 



, determination. Francotte, P. Brux'. 

 S. Big. Mcr. Bll. 21 (1894) 208-. 



, . Franklin, W. S. Ps. Bv. 1 (1894) 



142-. 



, , and magnifying power. Eoyston- 

 Pigott, G. W. Quek. Mcr. Cl. J. 3 (1873) 34-. 



, , , optical rule for. Nelson, E. 



M. [1895] Quek. Mcr. Cl. J. 6 (1897) 208-. 

 , differences between nominal and solar. 



Eoyston-Pigott, G. W. QJ. Mcr. Sc. 12 



(1872) 268-. 

 and optical centre, determination. Du- 



rand, W. F. Am. Mcr. J. 6 (1885) 141-. 

 foci, and screen distances, determination. 



Nelson, E. M. Quek. Mcr. Cl. J. 5 (1894) 



456-. 

 formula, new. Wenham, F. H. [1872] B. S. 



P. 21 (1873) 111-. 

 Hartnack's new. Vogel, H. W. Mcr. S. J. 



(1888) 646. 

 high power. Beale, L. S. B. S. P. 14 (1865) 



35-. 



, Arachnoidiscus as test. Smith, T. F. 

 [1888] Quek. Mcr. Cl. J. 3 (1889) 247-. 



Immersion Objectives. 



Eoyston-Pigott, G. W. M. Mcr. J. 5 (1871) 



65-; QJ. Mcr. Sc. 12 (1872) 111-. 

 Dippel, L. Z. Ws. Mkr. 1 (1884) 485-. 

 Gundlach, E. Am. S. Mcr. P. (1885) 51-. 

 advantages; and use of deviation-tables. 



Eoyston-Pigott, G. W. M. Mcr. J. 4 (1870) 



20-, 134-. 

 fluidsfor. Stokes, A. C. [1891] Mcr. S. J. (1892) 



261-. 

 , refractive index. Martinotti, G. Z. 



Ws. Mkr. 3 (1886) 320-. 

 homogeneous. Stephenson, J. W. Mcr. S. J. 



2 (1879) 266-. 

 , correction. Dippel, L. (xn) Z. Instk. 



2 (1882) 269-; Z. Ws. Mkr. 1 (1884) 29-. 

 , and fluids of same refractive index. Heurck, 



H. van. [1881] Brux. S. Big. Mcr. Bll. 



8 (*1883) xxii-. 

 , Hartnack's. Anon. Mcr. S. J. (1898) 



351. 

 , origin. Abbe, E. Mcr. S. J. 1 (1881) 



131. 

 , question of adjustability. Blackham, G. E. 



(xn) Am. S. Mcr. P. (1881) 61-. 

 , semi-apochromatic, Koristka's. Amann, J. 



Z. Ws. Mkr. 11 (1894) 145-. 

 , Stephenson's. Abbe, E. Jena. Sb. (1879) 3-. 

 large aperture. Woodward, J. J. M. Mcr. J. 



10 (1873) 210-. 

 . Keith, E. M. Mcr. J. 12 (1874) 



124-. 

 . Stephenson, J. W. Mcr. S. J. 1 (1878) 



51. 

 monobromonaphthalene. Jackson, H. Mcr. 



S. J. (1889) 119. 

 . Czapski, S. [1889] Mcr. S. J. (1890) 



Objectives 3082 



monobromonaphthalene, water, and oil. Pif- 



fard, H. G. Mcr. S. J. (1894) 286-. 

 , , . Dallinger, W. H. Mcr..S. J. 



(1894) 413-. 

 oil. Heurck, H. van. Brux. S. Big. Mcr. 



Bll. 4 (*1878) cxcv-. 

 , of Zeiss, compared with Spencer's objectives. 



Smith, H. L. [1878] (xn) Am. Mcr. J. 1 



[(1878-79)] 28-. 

 and test-objects. Mayall, J. [1868] M. Mcr. 



J. 1 (1869) 90-. 

 theory. Brakey, (Eev.) S. L. M. Mcr. J. 11 



(1874) 221-, 249-. 

 Tolles's r V Bicknell, E. M. Mcr. J. 7 (1872) 



and Powell and Lealand's T V Bicknell, E. 

 M. Mcr. J. 8 (1872) 13-. 



, resolution of Amphipleura pellucida. 

 Woodward, J. J. M. Mcr. J. 6 (1871) 150- ; 

 7 (1872) 165-. 



, (Woodward). Bicknell, E. 



M. Mcr. J. 6 (1871) 225-. 



imperfections and tests. Eoyston-Pigott, G. W. 



QJ. Mcr. Sc. 10 (1870) 10-. 

 improvements. Spencer, C. A. Silliman J. 



13 (1852) 290-. 



. Gundlach, E. Am. S. Mcr. P. (1884) 148-. 

 with long focus, giving straight images. 



Malassez, L. Arch. Md. Exp. 1 (1889) 449-. 

 low power. Bockett, J. [1867] Quek. Mcr. 



Cl. J. 1 (1868-69) 16-. 

 magnifying power. Bulloch, W. H. Am. S. 



Mcr. P. (1884) 183-. 

 (of 1 in.). M., W. Am. Mcr. J. 6 (1885) 



203-. 

 . Tolman, H. L. Am. Mcr. J. 13 (1892) 



93-. 

 , measurement. Marshall, W. P. Midi. 



Ntlist. 10 (1887) 226-. 

 , . Nelson, E. M. Mcr. S. J. (1887) 



1032-. 

 , standard of comparison. Ingpen, J. E. 



[1872] M. Mcr. J. 8 (1872) 253-; Quek. 



Mcr. Cl. J. 3 (1873) 97-. 

 method of marking. Krauss, W. G. Am. 



Mcr. S. T. 17 (1895) 359-. 

 microspectral, with normal spectrum. Engel- 



mann, T. W. Arch. An. PI. (PI. Ab.) (1900) 



(Suppl.) 338. 

 modern. Orford, H. [1895] Mcr. S. J. (1896) 



241. 

 new kinds of glass for. Francotte, M. P. 



Brux. S. Big. Mcr. Bll. 12 (1885) 100-. 

 nomenclature. Ward, E. H. M. Mcr. J. 8 



(1872) 15-. 



. Findley, G. M. Mcr. J. 8 (1872) 264-. 

 penetration. Davis, G. E. Manch. Mcr. S. 



Bp. (*1883-84) 16-. 

 Powell and Lealand's^. Chalon, J. [1885] 



Brux. S. Big. Mcr. Bll. 11 (1886) 196-. 

 and their power. Bicknell, E. M. Mcr. J. 7 



(1872) 68-. 

 refractive powers. Tolles, E. B. M. Mcr. J. 



7 (1872) 115-. 



resolution of Amphipleura pellucida. Wood- 

 ward, J. J. M. Mcr. J. 6 (1871) 150- ; 



7 (1872) 165-. 



325 



