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



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!

Ed

mddeming@xxxxxxx wrote:

The Toxic effects of many substances were unknown back in the 'good old days of spark transmitters', and where ir-t was known, it was "unmanly" to worry or complain about such things. Reporting health problems most likely got you fired.

Matt D




-----Original Message-----
From: Ed Phillips <evp@xxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Fri, Nov 22, 2013 9:42 pm
Subject: Re: [TCML] DC Coil progress.


In the 'good old days of spark transmitters' it was common for rotor or even the rotor and stationary electrodes of the rotary gap to be made of cast zinc and I don't remember reading of any health problems or any precautions. Besides, you get a nice blue spark.

Ed

Futuret wrote:

I've heard that vaporized zinc (from the galvanizing) is
extremely toxic.  Whenever I've tried using brass
electrodes they eroded away very quickly.  I've had
much better results with copper electrodes.  Others
may have had different results, but I thought I'd
mention it.



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