Manual of bacteriology / by Edgar M. Crookshank.

Date:
1890
Catalogue details

Licence: Public Domain Mark

Credit: Manual of bacteriology / by Edgar M. Crookshank. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    APPENDIX F. TABLE SHOWING THE MAGNIFYING POWER OF ZEISS OBJECTIVES. Ocular: 1 2 3 4 5 a. 7 11 15 22 a. a. 12 17 24 34 as 20 27 38 52 a3 a* 4—12 7—17 10—24 a* aa 22 30 41 56 75 aa A, AA 38 52 71 97 130 A, AA B, BB 70 95 130 175 235 B, BB G, GO 120 145 195 270 360 C, GC D, DD 175 230 320 435 580 D, DD E 270 355 490 670 890 E F 405 540 745 1010 1350 F G 260 340 470 640 855 G H 320 430 590 805 1075 H J 430 570 785 1070 1430 J K 570 760 1045 1425 1900 K L 770 1030 1415 1930 2570 L 8 260 340 470 640 855 1 8 1 12 380 505 695 950 1265 1 T5 1 605 810 1110 1515 2020 1 1 2 3 4 5