Re: carbon gaps+N2

• To: tesla-at-pupman-dot-com
• Subject: Re: carbon gaps+N2
• From: "Mark R. Napier" <whipit-at-cruzio-dot-com>
• Date: Sat, 14 Sep 1996 18:21:16 -0700

Tesla List wrote:

> 
> Bill,
> 
> Moviehouse carbons used to have copper plated exteriors to improve
> electrical conductivity. The centers I remember had some type of
> chemical additive which permitted the arc to be more "white" in color
> for better color balance during projection... has this changed in recent
> years?
> 
> -- Bert --
> .-

Nope!  They still do.  Carbon arc spotlights use the same rods.

Mark Napier
Stagehand
International Alliance of Theatrical Stage Employees and Motion Picture 
Mechanics of the United States and Canada (whew!)
Local 134
San Jose, CA

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