This is a mid 50s promo showing old technology that has passed on. Interestingly the crew decided to change to VFR once at cruising altitude of 20,000. There was also a speed brake option where the MLG only could be dropped at higher than (including nose) gear lowering speed.
For IT folks, we see the "Reservator" (if I got it right) and buckets full of paper tape (still around in my early IT days.
I remember paxing in one aged 10 or so LAX Midway.