11 
Fig. 1.342:9. Diapositive 11:28. Without supporting 
frame. Emulsion down. 
Fig. 1.342:10. Diapositive 11:28. With supporting 
frame. Emulsion down. 
•ft 
35* 
¿51 
Fig. 1. 342:8. Diapositive 11:28. Without supporting 
frame. Emulsion up. 
35- 
.11 
•ir ■- 
35. 
¿11