At 09:11 PM 7/17/2008, Karl Vacek wrote:
>Lamps usually use a running pipe thread, like the 1/8" Iron Pipe
>(that's what the IP stands for) that is most typical today.
>
>What you had sounds like it *might* be 1/4" pipe. it has a major
>diameter of 0.540 - just over 1/2", though its pitch is 18 TPI
>rather than the 20 pitch you tried.
>
>There're also a (fairly rare) 3/8" pipe size that's occasionally
>encountered in lamps or elsewhere - like old electrical stuff. Also 18 TPI.
>
>An old hardware store or a good lamp repair shop should be able to
>fix you up - or Google it...
>Karl,
Thanks for the info. That's what I was looking for.
John
John T. Blair WA4OHZ email: jblair1948@cox.net
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Phone: (757) 495-8229
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