On Sat, Jul 03, 2010 at 12:24:39PM -0500, Jon Elson wrote:
> Just look up helical slit coupling on Google, you should find rafts of
> pictures. SDP and W.M. Berg sell these and should have all sorts of
> pics and engineering data.
Ah, many thanks (and to Wayne too). Given some of the prices on ebay, it
wouldn't be worthwhile making them, I see.
> The awful pics were color snapshots made with silver film and then
> scanned in on a color document scanner. I did this a decade ago when
> the machine was built. Someday I'll redo them with the digital camera
> I now use.
Yes, I stuck to my 30 year old nikon for too long, except that I
ended up with more megapixels for less money, by being a late adopter.
Procrastination sometimes pays.
Erik
--
Habit is habit, and not to be flung out of the window by any man, but
coaxed down-stairs a step at a time.
-- Mark Twain, "Pudd'nhead Wilson's Calendar
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