168 



Projection Apparatus and Accessories. 



No. 50857 



-2m- 



-' 



50858. 1:13. 



50882. 1:12. 



50.857. Projection Apparatus on Stand, as No. 50,855, with 100-candle Focus Glow Lamp 

 No. 50,932 



50.858. do., with triple flame paraffin lamp, Figure, without double projection element 



50.859. Projection Apparatus (Kolbe's), of. F i g. 50,862, p. 169, new construction of our 

 own type, with hand-regulated arc lamp No. 50,892, Condenser 102 mm and Objective 

 43 mm diameter, on massive table, with simple housing (cf. Kolbe, Einfiihrung i. d. Elektr.- 

 Lehre, 2 nd Edition.Vol. II, Fig. 82. Kolbe-Skellon, Introduction into Electricity, Fig. 158) 



50.860. - - do., with Nernst Projection Lamp No. 50,923 



50.861. - - do., with 100-candle Focus Glow Lamp No. 50,932 



50.862. do., with triple-burner Paraffin Lamp, Figure 



50.863. - - Preceding, larger, with hand-regulated arc lamp No. 50,892; fitted with 

 Condenser 122 mm and Objective 55 mm diameter 



50.864. - - do., with Nernst Projection Lamp No. 50,923 



50.865. - - do., with 100-candle Focus Glow Lamp No. 50,932 



50.866. do., with five-jet Paraffin Lamp 



50.867. Complete Projection Apparatus for cinematographic and ordinary photographic Pro- 

 jection, Figure 



1 collapsible table stand with top for erecting, projection lantern with hand-regulated arc lamp 

 No. 50,893, 1 cinematograph, 1 stand with trough and central closing arrangement, 1 automatic winding 

 device for the films, 6 film spools, 1 film press, 1 bottle film putty, 2 spare lenses, 2 glass discs for cooler, 

 1 objective mount with double rackwork motion, 1 objective of 350 mm focal length for glass picture 

 projection, 1 photo-slider for high and oblique shapes with 6 insets for pictures 9x12 cm. Suitable 

 films on application. 



Accessories for Projection Apparatus. 



Fixed Type Series Resistances, for a 15 Ampere Direct Current Arc Lamp, F i g. 50.869. 



List No. 50,868 50,869 50,870 50,871 



Working Pressure 65 110 150 220 volts 



Price 1. 0. 1. 15. 2. 10. 4. 0. 

 - idem, for a 20 Ampere Direct Current Arc Lamp. 



List No. 50,872 50,873 50,874 50,875 



Working Pressure 65 110 150 220 volts 



Price 1. 5. 2. 0. 3 0. 5. 0. 







6. 



5, 



S. (1. 



0. 

 0. 



10. 

 10. 

 10. 

 10. 



10.0 

 10. 

 10. 

 10. 



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46. 10. 



Cl. 3284, 15 F. 



