166 



Projection Apparatus and Accessories. 



No. 50817 



9515,9530,9646. 1:20. 



50.817. Micropro jection Outfit (Figure on p. 165), with large erecting mirror for pro- 

 jecting horizontally and iipwards on the slope; without objective 



The outfit comprises a Microscope Stand ( 6. 1. 0) with illuminating Mirror ( 1. 13. 0); 2 Illu- 

 minating Lenses ( 1. 19. 8), 4 Diaphragms with different sized apertures for inserting in the aperture 

 of the table ( 0. 7. 10), 4 Distance Eings for the objectives ( 0. 7. 10), large Erecting Mirror for pro- 

 jection in a horizontal and sloping direction ( 2. 9. 6), a Cooler ( 0. 13. 3) with water vessel ( 0. 9. 5), 

 a Screening Device ( 1. 7. 6), Iris Diaphragm for inserting between base and screening device ( 1. 13. 0). 

 There is a box for the stand. 



50.818. - - do., with small erecting mirror, for projecting only in a horizontal direction . 



This outfit is only suitable for projecting in a horizontal direction. The small erecting mirror 

 costs, separately, 1. 15. 3. 



50.819. Achromatic Objective (Zeiss'), type aa, 26 mm focus 



50.820. - - do., AA, 17 mm focus 



50.821. - - do., C, 7 mm focus 



50.822. Projection System (Zeiss'), 35 mm focus 



50.823. - - do., 40 mm focus 



50.824. Micro-Planar (Zeiss'), 50 mm focus , . . 



50.825. - - do., 100 mm focus 



50.826. Ocular Tube with erecting mirror (of. Figure, p. 165), for projecting in connection 

 with an ocular. Price without ocular 



50.827. Projection Ocular (Zeiss'), No. 2, focus 90 mm 



50.828. - - do., No. 4, focus 45 mm . . . 



50.829. Compensating Ocular (Zeiss'), No. 4, 45 mm focus 



50.830. - - do., No. 8, 22.5 mm focus 



50.831. - - do., No. 12, 15 mm focus 



50.832. - - do., No. 18, 10 mm focus 



For Switchboards, Regulating Resistances, etc., see pp. 1226 1228 (sewn in at the end of this 

 section); for Flexible Double Conducting Cables, see p. 169. 



s. d. 

 17. 2.0 



16. 7.9 



1. 9.9 

 1.13.0 

 1.13.0 

 1.18.6 



2. 4.0 

 5.10.0 

 6.12.0 



1. 0. 



2. 4. 

 2. 4.0 

 1. 2.0 

 1. 13. 

 1.13.0 

 1. 7.0 



o 

 t? 





tf 

 eo 



Q 



CD 



Cl. 3272. 



