See below link to a wonderful 1960s movie about Philips halogen lamp developments, unearthed by the Belgian Industriemuseum in Gent.
Who would like to step back in time to the first 30 seconds of this movie, and take a walk through the former Philips HID lifetest tower in Eindhoven centre - so many unobtainable old lamps in view there!

https://www.industriemuseum.be/nl/collectie-item/de-halogeen-gloeilamp-promotiefilm-van-philips-over-de-geschiedenis-van-de-gloeilamp

Thanks for sharing this video James!
However I don’t speak Dutch but somehow I do understand what he says though.
This language sounds a bit like a dialect of swiss german. 

Very cool video James, I love watching videos like that weather I can understand the language or not ! Fascinating !

That's cool! 

I really enjoyed this, thanks