did you not have an "unmute: button top left?Couldn't get that link to work (no sound for me) but the same content was on YouTube
This documentary on the Levant mine disaster is well worth a watch:A man engine! A failure caused the Levant mine disaster in 1919.
A chance to see the paternoster in action in the Arts Tower will be during the Sheffield Classical Weekend, when musicians will be using it as part of their performance. https://classicalsheffield.org.uk/events/2023/music-for-the-arts-towerThe paternoster lift was first built here, but more are found in Germany nowadays:
The Paternoster Lift
One of very few remaining paternoster lifts that is still in operation in the UKwww.sheffield.ac.uk