145 



Brought forward Mk. 2497. 



Code-words 



Haemacytometer, No. 149 Mk. 36. 



Apertometer, No. 156 90. 



Test-plate, No. 157 10. 



Diffraction Apparatus, No. 158 ,, 20. 



Polarizing Apparatus, No. 169 , 58. 



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



Spectroscopic Eye-piece, No. 190 200. 



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



Index Eye-piece, No. 195 49. 



Prism-rotator, No. 197 ,, 75. 



Capillary Rotator, No. 198 . . ,, 50. 



Incandescent Gas Lamp with spherical glass flask, No. 199 . 22. 



Collective Lens with iris-diaphragm, No. 201 ...... ,, 30. 



Hand-Saccharimeter No. 206 .... 108. 



Heating Stage, No. 214 15. 



Thermo-regulator, No. 215 10. 



MALTWOOD'S Finder, No. 217 . 20. 



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



Turn-table, No. 220 n. o ^ 



99- 



Outfit completed by adding: 



a) Stand I a , No. 59 400. 



Leather travelling case 30. 



Packing _ 439.- Mk. 3835.- Pestifero 



or 



b) Stand Ic, No. 67 425. 



Leather travelling case 30. 



Packing 9^=^, 464.- Mk. 3860.- Pesunita 



As a suitable complement to this combination for dissecting purposes we recommend the addition 

 of one of the Sets Nos. 19, 20, 22, 23. If Set 19 be chosen, the prism - rotator and the 

 capillary rotator specified under No. 19 a would in that case be omitted. 



Specification 2. 



Achromatic Objectives: 



a a 2 a* aa AA B C DD 



12. 12. 40. 27. 30. 30. 36. 54. . . 



E with correction collar P with correction collar 

 86. 104. . 



PI D* J with correction collar (Water Immers.) 

 20. 75. 164. 



I " 



(Homog. Immersion) 



HUYGENIAN Eye-pieces: 



I. 2, 4, 5 



3 (Micrometer Eye-piece, No. 120) 



Mk. 241. 

 190. 



259. 

 ,, 1 60. 



28.- 

 18. 



Mk. 896. 



In the event of a microtome being required as well -we shall be pleased to supply it at the 

 maker's catalogue price (see notice on p. 140). 



