No. 50 800. 



Projection Lanterns. 



163 



50 796. 1 : 9. 



50796 und 50767. 1:12. 



50 805. 1 : 9. 



50 805 C. 1:6. 



is constructed exactly as shown in Fig. 50.794; in addition, however, it is arranged that a thorium burner, in- 

 candescent burner or the like may be used initially, being replaced later by the arc lamp. 



The projectors fitted with auto-regulating arc lamp usually have lamps for the currents given in the table. 

 Auto -regulating lamps for higher currents (to 25 amps.) are supplied without extra price, if desired. 



Projection Lanterns with tilted Lamp (Schuckert .system), F i g. 50,805. for projecting apparatus and 

 photographs ; with Condenser, Achromatic Objective, Optical Bench ; Change Frame with smaller 



Cl. 3267', 5074, 

 3269, 5157. 



11* 



