Ah, that makes sense now. I have never seen one before.
Its amazing what differences there are between NZ & the US, we just use the plain old Oxy bottle, black, 5 foot tall, full of Oxygen.
Want more Oxy? Get them by the pallet load....
I mentioned the petrol powered gas cutting plants to the scrapmetal place I use & he just about jumped into the computer to find out about it.
They have 2 or 3 guys gas cutting 8inch dia bars all day, every day. Hell, I'd love that job.
We only have one gas supplier here & they are well known for being difficult & expensive.
Though I have just found out that the Acetylene bottles have to be sent to Asia somewhere to be filled & it takes 3 months to fill a bottle, they have almighty huge barges with thousands & thousands of Acetylene bottles lined up on them, getting filled.
So, along with each fill, you have to pay 3 months + shipping time rental as well...
No wonder they didn't like the 'perpetual owner' gas bottle system.
(In the early days they filled them in NZ, because the bottles cost a lot, they decided to sell each user a bottle, on perpetual ownership, then upgrade them as they wear out..)
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