= 98 



Brought Forward Mk. 1958.50 



Revolving Nose-piece for 4 Objectives, No. 50 Mk. 25. 



Tube-slide No. 52 8. 



6 Objective slides No. 53 48. 



Case to hold 6 Objective-slides, No. 55 .... 15. 



Drawing Apparatus No. m ,, 60. 



Drawing-table No. 114 , 52. 



Stage Micrometer No. 118 10. 



Screw Micrometer Ocular No. 125 105. 



Stage Screw Micrometer No. 126 120. 



Cover-glass Gauge No. 129 30. 



Rules on plate-glass No. 132 and 134 ... n. 



Fully divided Circle No. 139 20. 



Haemocytometer No. 149 30. 



Apertometer No. 156 90. 



Test-plate No. 157 10. 



Diffraction Apparatus No. 158 20. 



Polarising Apparatus No. 169 ,, 58. 



Assortment of Selenite and Mica Films, No. 179 15. 



Spectroscopic Ocular No. 190 200. 



Drum fitted with PoRRO-prisms, No. 192 .... 40. 



Index Ocular No. 195 49- 



Prism Rotator No. 197 75. 



Capillary Rotator No. 198 50. 



Gas Lamp and spherical glass flask, No. 199 . . ,, 22. 



Collective Lens with iris-diaphragm, No. 201 . .. 36. 



Heating Stage No. 214 , 15. 



Thermo-regulator No. 215 10. 



MALTWOOU'S Finder No. 217 20. 



BORN-PETER'S Orientation Plate No. 218 . . 40. 



Turn-table No. 220 n. 



Outfit completed by adding: 



a) Stand IB No. 5710 , 425.- 



Leather travelling case 36. 



Packing ,, 9. 



or 



b) Stand I E No. 6010 , 440.- 



Leather travelling case 36. 



Packing ,, 9. 



Codeivord 



1295. 



470 Mk. 3723.50 Pestiferer 



485. Mk. 3738.50 Pestonaiido 



Regarding apparatus for dissecting purposes required as a suitable complement to Specification I 

 see the foot note on p. 99. 



Specification 2. 

 Achromatic Objectives : 



a 2 a* aa AA B C DD 



12. 40. 27. 30. 30. 30. 50. Mk. 219 

 E with corr. collar. F with corr. collar. 



80. 95. 175. 



Carried Forward Mk. 394. 



