Film 35 mm; image produced by camera aperture and projected image area, anamorphotic method, lateral compression ratio 2:1 and aspect ratio 2,35:1— 4 стр.
Slide projectors and slides; lantern slides for general use and for theatre projection, nominal sizes, dimensions for masks, picture position and marking— 5 стр.
Slide projectors and slides; projector slides for general use and for theatre projection, nominal sizes, dimensions of masks, picture position and marking— 9 стр.