Re: strength of vacuum

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Antonio Carlos M. de Queiroz" <acmq-at-compuland-dot-com.br> 

Tesla list wrote:

 > Original poster: John <fireba8104-at-yahoo-dot-com>
 >
 >   How many people do you think got more
 >   than the recommended dose of rads in the last year while
 > experimenting with standard vacuum light bulbs?

"Normal" lamps don't have high vacuum inside, but are actually filled
with an inert gas at low pressure. If in the experiments some corona
or similar light appears inside the bulb, there is no problem. But
if nothing appears, and worse, the glass fluoresces with a green
light, this is sign of X-ray generation. Some small lamps are said
to have high vacuum inside. I am not sure. Vacuum tubes certainly
have (Humm... VTTCs may be dangerous...).

Antonio Carlos M. de Queiroz