Re: Black printing on secondary

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

Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>

Hi,

Rubbing alcohol will usually remove the printing.

Cheers,

         Terry

At 08:08 AM 11/5/2003, you wrote:
>I have obtained a phenolic impregnated cardboard tube to use as secondary 
>for a small TC.  The tube is 3" dia.  The exterior is natural color, but 
>the interior of the tube is imprinted with the logo of the manufacturer, 
>and the printing is black.  Has the presences of black printing on the 
>interior surface of secondary coilforms caused problems for coilers in 
>practice?  I could make up a sanding jig attached to a power drill to 
>grind away to printing if I have to, but I'd rather skip the effort and 
>weakening of the tube if it can be safely avoided.
>
>Thanks!
>Aric