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Comment by Hartmut Wettmann on February 28, 2013 at 16:34
Comment by John Bradley on February 24, 2013 at 17:30

Yes, this is a slight flaw in the system, as discussions can take place under each of the photos! Thank you for your comments and you were close with the general region. It does seem fairy clear now that Izaak has solved this mystery.

Comment by Piers Rawson on February 24, 2013 at 13:01

A discussion also remarkable for being carried out in stereo, as I see I commented on the parallel strand without realizing the discussion had reached a conclusion...

Comment by John Bradley on February 18, 2013 at 21:22

This has been a fascinating discussion, thank you all. I often write articles for the magazine 'Stereo World'. It is a specialist magazine for the stereoscopic photography community-  produced to a very high standard. This would make a nice short article given that the original image was a stereo and then Izaak found another stereo with a glimpse of the structure. Perhaps we should all collaborate on that? John

Comment by Izaak Boone on February 18, 2013 at 20:53

Anthony,

I just collect old photographs and was curious about the structures as well. I noticed the German installations for the first time in Bad Sulza. That is why I found the web-site about the German Salt production. I learned a lot from your article. Salt must have been very valuable in the Roman times.  Roman soldiers were paid in salt and that is why we still use the word "salary".

From your article I now understand the occasional sinkholes in the German region of Thuringen. In that area they recently discovered the Nebra sky disk, a proof of a rather developed culture in the Bronze age. see: http://en.wikipedia.org/wiki/Nebra_sky_disk. The people of that time must have had some knowledge of mining for finding gold and bronze.

I wrote in my comment earlier that the structure was the castle of Bad Kreuznach (near Bingen on the Rhine river). To be more precise: it is the Ebernburg.

Thank you for your comment,

Izaak Boone

 

 

Comment by Dr Anthony H. Cooper on February 18, 2013 at 18:04

Izzac, thank you solving the use of the structures and for enlightening us about German salt production methods, they are fascinating.  

I have written about English salt production http://nora.nerc.ac.uk/6218/ with some information on the web http://www.bgs.ac.uk/caves/historicalRecordsOfSaltSprings.html  but here coal or wood was burnt to evaporate the brine. Reading the Wikipedia entry it appears that the German brines were much less concentrated than the English ones. The brushwood of the Gradierwerk also acts as a focus for the deposition of tufa thus cleaning impurities, interesting hydrochemistry and mineral production from my point of view as I have studied tufas as well. Thank you. Dr Anthony Cooper - geologist.

Comment by John Bradley on February 14, 2013 at 19:00

Well, that pretty much convinces me! Thank you again for solving amystery that had been nagging at me for some time! John

Comment by Izaak Boone on February 13, 2013 at 23:29

 

This picture is from my collection. The blindstamp left under tells: C.H. Jacobi Creuznach. I never noticed the structures of the "gradierwerk" on this stereo view. You can see the castle of Bad Kreuznach in the background.

Comment by John Bradley on February 13, 2013 at 16:40

Izaak, I've just looked at the German Wikipedia page you gave a link to - this looks pretty conclusive to me. Also if you look at photo no 3 the church looks German/ Austrian in style perhaps? Best wishes, John

Comment by John Bradley on February 13, 2013 at 16:37

Hi Izaak, Thank you, this is very interesting. Your very helpful suggestion also fits with one other clue which is the appearance / style of the stereocard. It looks to me like a European (but not British) style card, so that would fit the German location you suggest. Kind regards, John

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