mverta said:

The print itself isn't necessarily as warm - the color temperature of the light source changes everything about the image. I wanted to see -as far as possible- what environment the filmmakers were judging color in. Older bulbs were warmer by nature than we're used to today. Our computer monitors have a far cooler white than projector bulbs from the 70's and 80's did - they were more yellow. But the coloring from those light sources is what was driving decisions in color timing. To my eye, the film is "too" yellow when viewed that way; but that eye has been tainted by 30+ years of getting used to increasingly cool/pure whites.

This is a really informative post to see the huge difference in accepted colour standards via projection, between then and now. It also explains in part why people talk about 'warm' memories of the 'golden' age of film. I've got to admit to my 'modern' eye, the current way is too cool but the old way now looks too stylized perhaps. However, the old way does have something similar to rich/romantic 'magic hour'-quality light, which is very appealing to the eye.

This makes me wonder what a contemporary film of the time with already natural golden colours like "Days of Heaven" would have looked like through 70s projection.