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Old 11-15-2017, 10:43 AM
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benman94 benman94 is offline
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Join Date: Jun 2011
Location: Detroit, MI
Posts: 1,159
Originally Posted by miniman82 View Post
Answer: both, not that it matters.

Even a ‘machine’ weld in those days was still a manually controlled TIG weld, and any holes found by the leak detector would have to be fixed by hand.
Thanks Nick. Bob mentioned to me that the later 15Gs seem to have a lower leak rate in his opinion.

Does anyone know when production started and stopped? I'm more interested in knowing how long the tube was actually built.
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