I have been watching this, pt1/6,
https://youtu.be/eyxyrdk5Hzk

And pt2/6,
https://youtu.be/Lt-S1PsAAJQ

1968 Royal Institution Christmas Lectures looking at scale.

Really interesting looking at the presentation technology of the day.
I hope they release the rest of the set.

#Miniatures #RILectures #XMasLectures