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Re: [TCML] Zinc Toxicity, was DC Coil progress.



On 11/23/13 5:53 PM, Ed Phillips wrote:
Probably all correct.  The main danger was the noise, which for a big
transmitter was deafining and sometimes the gaps were buried undergroun
[no problem with long leads at 15 kHz].  Must have been a fantastic
sight when someone keyed one of this transmitters!


or the ones that were operated in hydrogen or alcohol vapor. Opening the gap chamber door would cause an explosion.



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