According to ‘Making Kodak Film’ by Robert Shanebrook, the blue emulsion layers were on top, the red layers on the bottom (the acetate side), and the green in t

According to ‘Making Kodak Film’ by Robert Shanebrook, the blue emulsion layers were on top, the red layers on the bottom (the acetate side), and the green in the middle. There was a yellow filter layer under the blue emulsion. All of the various layers of chemistry were applied to the acetate backing in one pass.