Re: [ATM] Pitch Source / Edge-stacked Tile Tool

[Jim McPherson <jim@eflightproducts.com>]

GotGrit.com Willman Bell (phone order for tempered Burgandy Pitch), or 
http://www.salemdist.com/Telescope.html .

All three places carry pitch.
That edge stacked tile tool sounds great. How heavy is it?

-Jim
IAPDK@ADMIN.DRAKE.EDU wrote:
> Where can I get three pounds of pitch?
>
> I'm just about finished hogging my three 14" plate mirrors and want to
> use new pitch on these, plus I don't have enough left from my 8"
> projects.
>
> If you haven't seen a "spiral-wound, edge-stacked" tile tool,
> it is a marvel to behold.  I want to grind the three mirrors in
> parallel and expected to grind through several layers of tiles in
> the process.  Taking an idea from the Mirror-o-Matic group,  I turned
> two-inch tiles (about three 12x12" sheets) into one-inch ones with 
> a tile cutter, taped them into strips of 10 and coiled them on edge to 
> fill a 10" form.   I mixed enough plaster to cover them about 1/2 inch 
> and jiggled and poked that down into the cracks.  Then mixed and added
> another inch of plaster.  After an hour I removed it from the form,
> flipped it over and filled in the cracks with a little more plaster.
> It's a nice tile-dense tool that hopefully will fine grind all
> three mirrors.  
>
> Dental plaster goes for over $30 for 25lb around here from dental
> supply places.  But I found a lumber supply place that sells 100lb
> for the same price.  Doesn't hurt to call around.
>
> Paul K
> http://www.pbase.com/paulkline/telescope_making
>
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