153 



Code-words 



Specification 11. 

 Microscopes adapted for miner alogical and crt/stallographic investigations. 



Achromatic Objectives : 



a, 2 A DD P 



12. 24. 54. 84. ... ...... Mk. 174- 



i " 



(Homogeneous Immersion) ........... > 160. 



HUYGENIAN Eye-pieces with cross-lines: 



i, 2, 4 .................... 30. 



3 (Micrometer Eye-piece, No. 120) ......... _ M l ^'~ Mk. 182. _ 



Adjustable Iris-diaphragm with eye-piece, No. 178 .... 25. 



BERTRAND'S Eye-piece, No. 186 .......... >, 35- 



Stauroscopic Calc-spar Plate, No. 188 ........ ,, 7- ^ _ 



Outfit completed by adding: 



a) Stand I&, No. 63 ............ 600. 



Goniometer Eye-piece, No. 127 (without divided circle) 20. 



Packing 4. n 624- _ Mk . 1073. Pistoresa 



or 



b) Stand Ib, No. 60 ............ 500. 



Goniometer Eye-piece, No. 127 (without divided circle) ,, 20. 



Packing 4.- >t 524 _ ^ m _ p itirojo 



or 



c) Stand VIb, No. 87 ........... 208. 



Goniometer Eye-piece, No. 127 (with divided circle) 35 . 



Packing _ ____ 2.- ^ 245 _ 69J ,_ p itonista 



Specification 12. 

 Microscopes for mineralogical and crystallographic courses. 



Achromatic Objectives: 



A D 



24. 42. ........... ..... Mk. 66. 



HUYGENIAN Eye-pieces with cross-lines: 



2 4 ................... " 20 -~ Mk. 86.- 



Outfit completed by adding: 



a) Stand VIb, No. 87 ............ , 208. 



PackiD S__^ _ !_ 210 Mk. 296 Pi/arrero 



or 



b) Stand IXb, No. 93 ........... 240. 



Packin 8 _ i! _ 2 J=. 242.- 328.- Plebeismo 



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). 



