[SEL] Thread question

[Al Harris]

5/16" 24tpi UNF ?????????

Cheers,

Al Harris
Summer Clarence Coast NSW Oz

al.harris at rustic-engines.com



rdhaskell at juno.com wrote:
> Hi all.  
> I am trying to make an old telephone generator/magneto function.  The
> problem is the threads that attach the crank handle.  The outside
> diameter of the threads is .267", and the threads measure 24 per inch. 
> What in the world is this?
> The only markings on it are the number 48A and "PATD in USA July 1894.
> Thanks.
>
> Ron Haskell
> rdhaskell at juno.com
> Riverside, California USA
> http://picasaweb.google.com/RonHaskell
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