Re: Foiling ??

[chasbo@xxxxxxxxx]

On Mon, 19 Oct 2009 20:37:08 -0400, "Robert L Bass"
<Sales@xxxxxxxxxxxxxxxxxxxxx> wrote:

>chasbo wrote:
>>
>> For the first coat, I used a box (formerly containing Ademco # 39's or
>> 39-2's), placing it against the window frame, and with varnish on the brush,
>> and the brush handle pressed against the side of the box, slid both the box
>> and brush, in unison, down the frame...
>
>That's basically the same thing we did, except we would use a playing card or
>a matchbook, depending on which was available.  However, I used to make a mark
>on the glass with a light colored crayon before applying the varnish.  This
>gave me a nice, straight line to follow with the foil.  Once the foil was in
>place the mark was all but invisible.
>
>> When applying the the foil I used a rubber suction cup to hold the foil on
>> the opposite side of the window...
>
>That's creative.  I used to simply stretch a bit of foil and smooth it into
>the sticky track made by the first coat of varnish (aka foil protector).  Once
>started, the foil would stay put as I smoothed it along the line.
>
>> WHen reparing foil breaks I would use Silver-Print, an expensive one or two
>> ounce bottle containing silver suspended in solvent.  It came with a brush
>> in the handle.  I simply applied a coat to the break, 1/2 inch on both
>> sides; when dried it completed the circuit.  On cold winter glass the drying
>> took longer.  I would then coat the area again, apply another piece of foil
>> to protect the silver-print and varnish once more.
>
>More creative ideas -- nice.  I never heard of Silver-Print before.  What is
>it's primary use?

I purchased it from an electronics hobby store, and also via the
Allied catalog.  It was used for repairing printed circuit boards back
in the '50's and 60's.  Opens in the copper etchings were quiclkly
repaired by dabbing a bit on the break.