For Mary Poppins, Disney used the sodium vapour process to get monochromatic light into a narrow channel for matte from a light splitting prism.
replyhttps://en.wikipedia.org/wiki/Sodium_vapor_process
It's charming. I'm sure digital post offers many advantages. Van Dyke might be one of a few who has done both.
a Corridor Crew YouTube video describing/recreating that sodium vapour process: https://www.youtube.com/watch?v=UQuIVsNzqDk
replyKind of a tangent comment
replyHe was an animator and it's the interesting kind of factoids we read these comment sections for. We'll allow it.
replyYou missed the pun
replyHe sold his Amiga not too many years ago. It may have been on eBay.
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