Re: [ATM] stroke question

["Bill Kelley" <flex@commspeed.net>]

Don,
Harold Lower did not say stand in one place  and move the tool in a swirling 
motion.
David's mirror is not polished out. I have instructed him to use the proper 
strokes and keep walking around the barrel, rotate the tool,  and the mirror 
occasionally.
Bill


>
> According to ATM 1 Chapter A.6 Subdiameter Tools - A Composite Chapter  of
> Experiences by Prof. G.W.Ritchey Section A.6.2 page 140 describe a 12-inch
> mirror by Harold A. Lower. In part it says: "When the curve had reached 
> full
> depth  in the center, the mirror was turned face up and the same tool  was 
> used on
> top.  One simply makes large epicycles all around the mirror,  working 
> mainly
> on the edge, at which time the curve should have become  spherical."  This
> sounds like what you are describing.
>
> Clear skies
> Don
>
>
>
> In a message dated 12/17/2004 4:38:32 P.M. Eastern Standard Time,
> dwilliams1128@earthlink.net writes:
>
> Hello  List
>
> I was just wanting so say that is it an acceptable stroke on my  mirror to
> stand at one place at the barrel and then move the sub-dia. lap in a 
> circular
> motion?  In other words in a swirling  motion?  This  would cover the 
> outer
> edges of the mirror.  I use TOT tool on  top.
>
> 10" sub diameter pitch lap  tool.
>
> Thanks
> Bye
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