Hi Daniil,
I don't think it is too important who the tools belong to as long as you
can use them. It is a fascinating opportunity for you to acquire real
glassblowing skills.
I am so busy at the moment with university stuff that I cannot focus too
much on Nixie tube making... Anyway, my next investment is going to be
an gas-oxygen handheld torch so that I can also work Pyrex glass (will
give it a try I guess) as well as soda lime. It is an investment I will
only have to do once, so it is definetely worth it.
Another plan is to study the annealing and tempering properties of soda
lime glass. I know that most hobbyist tube makers do not use this kind
of glass (for good reasons), but then again it is so easy to create
vacuum tight seals. Also, I have some lead glass tube stems lying around
here and these only fuse to soda lime. So I will try to build a
preheating oven that I can use to reheat glass and glass/metal parts and
then join them. I will either use an infrared torch or a hot air fan for
that. I will also make some horrible pinch seal and hold it in the hot
air for some time and analyse the reduction of the tensions inside the
glass.
So much for my plans. What is your next step, Daniil?
Jens
Jens,
No no it's just looks alike, I'm totally novice.. learning everything
by myself. You can ask Dalibor :)
After trying to build home lab, and almost a year of seeking after
normal vacuum pump for reasonable money, closed deal to work in
professional glass workshop, so the machines are not mine (and it's
totally fake impression). :)
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