[Amps] Buzzing Transformer Follow-up Questions

[Bill Turner]

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On Fri, 30 Sep 2016 04:40:51 -0400, Roger wrote:

>If you want high vacuum there is little practical difference in pressure 
>comparing atmospheric pressure to 10^-1 Torr, or 10^-5 Torr. It's close 
>to 15 psi differential at either vacuum.

REPLY:

The more difficult issue might be obtaining a pressure vessel suitable
for transformers. Where I worked we had one custom made. Remember,
there is 15 PSI pressing in on hundreds of square inches. A disastrous
implosion is possible. 

73, Bill W6WRT