can someone explain double reversal?

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highfnum
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can someone explain double reversal?

Post by highfnum » Wed Jun 12, 2019 12:35 am

I was reading C A Young book the sun 1896

there was a page with this
dblreversyngsm.jpg
dblreversyngsm.jpg (127.48 KiB) Viewed 324 times

highfnum
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Re: can someone explain double reversal?

Post by highfnum » Wed Jun 12, 2019 12:37 am

I think (reasonably sure) I replicated this
what does it mean (tell)? books brings it up but no explaination
doubled.JPG
doubled.JPG (16.09 KiB) Viewed 323 times

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p_zetner
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Re: can someone explain double reversal?

Post by p_zetner » Wed Jun 12, 2019 5:29 pm

Hi John.

I replied to your question here:
https://www.cloudynights.com/topic/6645 ... nd-k-line/

I also addressed the nature of the double reversal on the SolarChat forum:
viewtopic.php?f=8&t=12329
(Near the end of the thread.)

Cheers.
Peter

highfnum
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Re: can someone explain double reversal?

Post by highfnum » Thu Jun 13, 2019 10:27 am

your item at end of solarchat explains
clearly
also
my photo and yours are similar

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