Jo, you are truly a Jack of all trades. From making your own telescopes including focuser, to making your own hydrogen. Impressive. And to sound like an old fart, there may just be some bright sparks in the current generation.
Did you split water to make the hydrogen, or acid/metal ;-) Just be careful with the hydrogen, don't need a Cecil Plains Hindenburg, let alone you blowing up with one stray spark.
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