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Bill wrote:

"Gary LaPook has shown that it is possible to produce the scales, something 
that works like one and much more."

Although I would like to be able to claim credit for the scales in fact my 
original scales were my crude modifications to the scales produced by the 
program written by Zvi Doran. The beautiful scales that I am now using were 
produced by Dave Walden.

gl





engineer@clear.net.nz wrote:
> Brad and others
>
> There certainly seems to be some interest.
>
> What I had in mind was a small consortium to make a few replicas of the 
Bygrave position line slide rule. Gary LaPook has shown that it is possible 
to produce the scales, something that works like one and much more. I was 
thinking of producing something that looks like an original Bygrave, made 
from similar or same materials (with the possible exception of the scales). I 
was not thinking of marketing and manufacturing for profit (much), but rather 
at cost just for those members who wanted one.
>
> Do you think, Brad, you could send me some dimensioned sketches of your 
genuine Bygrave, off list if you prefer, with notes about what you think the 
materials might be? A close up picture of part of the scales would be useful 
too, for those who want to think about making the scales with the same fonts. 
I could then perhaps put together  a materials list and see what people could 
do and where. 
>
> Bill Morris
> Pukenui
> New Zealand
>
>
> >
>
>   


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