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The Philpott · 28th Jul 2021, 8:53 pm

Post No.12- Terminology glitch by me there; he tested how hard the vacuum was by submersing the bottom end of the 'tube in (dyed) water then snipping the crimp off the end. It was surprising how much water was pulled in!

Dave

28th Jul 2021, 8:53 pm	#15
The Philpott Dekatron Join Date: Aug 2016 Location: Colchester, Essex, UK. Posts: 4,108	Re: Nernst Lamps Post No.12- Terminology glitch by me there; he tested how hard the vacuum was by submersing the bottom end of the 'tube in (dyed) water then snipping the crimp off the end. It was surprising how much water was pulled in! Dave