Megadiascope. 



1221 



Fiji. 30. No. 9525. 1 : 8. 



Fig. 31. No. 9515 with Xos. 9530 and 9646. 



Special Optical Outfits for Transmitted Light. 



The increases iu price shown in the following table take place when one of the objectives there 

 mentioned is employed instead of the Petzaval Projection Objective: 



Special Optical Outfits for Reflected Light. 



If one of the following objectives be employed in lieu of the Yoigtlander Heliar f =- 1 : 4.3. 

 the prices are increased or decreased as shown in Table: 



The sizes for which no prices are given are not constructed. 



Accessories. 



Switchboards, Regulating Resistances and Projection Screens (see pp. 1226 1229). 

 Change Frames List Xo. 9520 9521 



For Plates 

 Price 



8,5 <10 

 gg. Od. 



9x12 mm. 

 8s. Od. 



') For data relative to the size of the image on the screen when employing the various coptical outfits, and 

 at various distances between Megadiascope and screen, see Table p. 1204. 



ci. 32: 



