3082 Test Objects 



and Moller's diatom type slide and modern 

 microscopes. Abbott, F. Tasm. B. S. M. 

 Not. (1869) 35-. 



resolution. Castracane degli Antelminelli, F. 

 Bm. At. 25 (1872) 263-. 



Perfection and testing. Nobert, F. A. Pogg. 

 A. 67 (1846) 173-. 



Test Objects. 



Pritchard, A. Ph. Mg. 2 (1833) 335-. 

 Brooke, C. [1854] B. S. P. 7 (1854-55) 139-. 

 Bailey, J. W. Silliman J. 19 (1855) 28-. 

 Woodward, J. J. Brux. S. Big. Mcr. Bll. 3 



(*1877) cciii-. 

 Nelson, E. M. [1883] Mcr. S. J. 4 (*1884) 



139-. 

 Amphipleurapellucida. Woodward, J. J. Am. 



Nt. 6 (1872) 193-. 



. Marpmann, G. Z. Angew. Mkr. 3 

 (1898) 175-. 



, resolution. Woodward, J. J. M. Mcr. 



J. 6 (1871) 150- ; 7 (1872) 165-. 

 , _. Gi/ord, J. W. Mcr. S. J. (1892) 



173-. 

 , by central light. Detmers, H. J. 



[1883] Mcr. S. J. 4 (1884) 143. 

 -. , . Moore, A. Y. [1883] 



Mcr. S. J. 4 (*1884) 143. 

 , . Deck, L. Am. S. Mcr. P. 



12 (1890) 170-. 



, , and a violet copper-iodine light 

 filter. Zettnow, . [1893] Quek. Mcr. Cl. 

 J. 5 (1894) 286-. 



and Surirella gemma. Woodward, J. J. 



Am. J. Sc. 1 (1871) 345-. 

 diatoms, resolution of lines. Nelson, E. M. 



Mcr. S. J. 6 (1886) 864-. 

 , . Forgan, W. [1893] Sc. Mcr. S. 



P. & T. 1 (1895) 109-. 

 , etc., structure. Wenham, F. H. M. Mcr. 



J. 2 (1869) 25-, 158-. 

 Navicula Spencerii. Bailey, J. W. Silliman 



J. 7 (1849) 265-. 

 (Bailey). De La Rue, W. [1849] 



Silliman J. 9 (1850) 23-. 

 (De la Bue) ; and 2 new test objects. 



Bailey, J. W. Silliman J. 11 (1851) 82-. 

 Pleurosigma angulatum, dotted appearance. 



Dancer, J. B. Mcr. S. J. 6 (1886) 691-. 



and Lendl's microscope. Apathy, S. 

 Z. Ws. Mkr. 8 (1891) 433-. 



, ultimate structure of valve. Smith, 

 T. F. [1893] Mcr. S. J. (1894) 141-. 



, etc. viewed without central dioptric. 

 Stephenson, J. W. Mcr. S. J. 1 (1878) 186-. 



formosum, markings. Nelson, E. M. Mcr. 

 S. J. (1890) 261. 



Podura scale, markings. Royston-Pigott, 



G. W. M. Mcr. J. 3 (1870) 13-. 

 under ordinary and extraordinary resolving 



powers. Royston-Pigott, G. W. M. Mcr. J. 



7 (1872) 170-. 

 , structure. Reade, J. B. M. Mcr. J. 2 



(1869) 79- 

 , . Wenham, F. H. M. Mcr. J. 6 



(1871) 6-. 



Microscopes 3082 



true form. Hasert, B. (vi Adds.) D. Nf. 

 Vsm. B. 34 (1858) 212-. 



Test plate, Abbe's. Zeiss, C. [1882] Quek. 



Mcr. Cl. J. 1 (1882-84) 154-. 

 , Moller's, measurements. Smith, J. E. 



M. Mcr. J. 13 (1875) 240-. 

 , , . Morley, E. W. M. Mcr. J. 15 



(1876) 223-. 



plates (Fasoldt's). Ward, R. H. Am. S. 

 Mcr. P. (1887) 318-. 



(_). Dudley, R. H. Mcr. S. J. (1888) 



299-. 

 (Ward). Fasoldt, C. Mcr. S. J. (1888) 



817. 



slides. Heurck, H. van. Z. Angew. Mkr. 4 

 (1899) 1-. 



Theory. Abbe, (Dr.) E. Arch. Mkr. An. 9 



(1873) 413-. 

 . Strehl, K. [1898-1900] Z. Instk. 18 



(1898) 301-, 356; 19 (1899) 325-; Erlang. 



Ps. Md. S. Sb. 32 (1901) 1-. 



and practice. Davis, G. E. Manch. Mcr. 

 S. Bp. (*1883-84) 60-. 



. Hitchcock, R. Am. As. P. (1884) 



566-. 



. Gilly, H. Nim. S. Sc. Bll. (1895) 



xxxii . 

 . Marsson, T. Z. Angew. Mkr. 1 



(1896) 33-, 65-. 



, progress. Poli, A. Bv. Sc.-Ind. 19 (1887) 



89-, 109-, 137-. 

 , simplified. Pelletan, J. J. Mcrgr. 10 



(1886) 279-. 

 Tremor, prevention. Ross, A. Mcr. J. 1 



(1841) 23-. 

 Tube length, optical. Crisp, F. Mcr. S. J. 3 



(1883) 816-. 

 , , determination. Ashe, A. [1892-93] 



Quek. Mcr. Cl. J. 5 (1894) 152-, 289-. 



and resolving power. Jameson, H. G. 

 Mcr. S. J. (1892) 272-. 



, standard. Gage, S. H., Mercer, A. C., 



<& Barr, C. E. Am. S. Mcr. P. 12 (1890) 250-. 



, . Beck, C. Mcr. S. J. (1893) 814. 



Upper work, new. Berger, M. Z. Instk. 18 

 (1898) 129-. 



Use. Audouin, J. V. A. Sc. Nt. 3 (1824) 354-. 



in agriculture. Cobb, N. A. Mcr. S. J. 



(1897) 433-. 



for drawing. Alton, E. d\ D. Nf. B. 

 (1847) 176-. 



of high powers. Peragallo, H. A. Mcrgr. 4 

 (1891-92) 585-. 



in horizontal position. Slack, H. J. Mcr. 

 S. J. 4 (1884) 455. 



of low powers, with deep eyepieces. Slack, 

 H. J. Intell. Obs. 4 (1863) 169. 



for photography. Neyreneuf, V. C. B. 84 



(1877) 344-; Caen S. L. Bll. 1 (1877) 131- ; 

 J. de Ps. 6 (1877) 124-. 



physical and chemical investigations. 

 Lehmann, O. Z. Instk. 6 (1886) 325-. 



, practical. Hepworth, J. J. Mcr. Sc. 4 

 (1856) 109- ; 5 (1857) 1-. 



in workshop. Rogers, W. A. Mcr. S. J. 6 

 (1886) 679-. 



328 



