the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
History of the Potsdam, Seddin and Niemegk Geomagnetic Observatories – Second Part: Seddin
- Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany
- Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany
Abstract. The measurement series of the 3 geomagnetic observatories span over 130 years, starting in 1890. It is one of the longest, almost uninterrupted series of recordings of the Earth’s magnetic field. Data users frequently emphasize the high quality of the data and its significance for geomagnetic base research. Very well-known outstanding geomagnetism scientists as Max Eschenhagen, Adolf Schmidt, Julius Bartels, Gerhard Fanselau and Horst Wiese directed the observatories during their existence. This paper describes the history of the Seddin Observatory, which was in operation from 1907 until 1932.
Hans-Joachim Linthe
Status: open (until 13 Feb 2023)
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EC1: 'Comment on hgss-2023-2', Kristian Schlegel, 16 Jan 2023
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Abstract, line 10: „Potsdam, Seddin and Niemegk“ should be included after „3 geomagntic observatories“
page 4: line 7: footnote 1) should be added for Askania Berlin: „see Appendix in Linthe (2022)“
page 4: line 8: footnote 2) should be added for Otto Toepfer & Sohn, Potsdam: see Appendix after section 2.3.2
page 4 line 15: footnote 2) should be added for Schulze
page 5, line 27: is Fig. 9 really necessary? The disturbances caused by the Berlin suburban railway system ist shown already in Fig. 8
page 6, line 17/18 and Figs. 11 and 12: Both figures can be omitted, since the respective portraits of Adolf Schmidt and Alfred Nippoldt are already depicted as Fig. 12 and 13 in Linthe (2022).
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AC1: 'Reply on EC1', Hans-Joachim Linthe, 18 Jan 2023
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Dear Kristian,
Thank you very much for your comprehensive check and comments on my manuscript. I followed all your comments, except the one regarding Fig. 9. After my opinion this figure is necessary, because it shows the disturbing effect of the regular operation of the electrical trains, while fig. 8 depicts the effect of the test run of the first train.
With my best regards
Hans-Joachim
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EC2: 'Reply on AC1', Kristian Schlegel, 26 Jan 2023
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Ok, Hans-Joachim,
I understand your argument, Fig 9. is necessary, so keep it.
Best wishes
Kristian
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EC2: 'Reply on AC1', Kristian Schlegel, 26 Jan 2023
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AC1: 'Reply on EC1', Hans-Joachim Linthe, 18 Jan 2023
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RC1: 'Comment on hgss-2023-2', Gregory Good, 17 Jan 2023
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Referee’s Report, Hans-Joachim Linthe, History of the Potsdam, Seddin and Niemegk Geomagnetic Observatories – Second Part: Seddin
I have only read this submission, part 2 of 3, relating to the history of geomagnetic observatories near Berlin over 130 years, from 1890 to now. This part focuses on the period of Seddin Observatory, 1907-1932. I have been familiar with the outlines of the history of this observatory, and I am happy to find the opportunity to learn much more about it in this article. The period is significant in the history of geomagnetism, with a rise in national interest in many countries in geomagnetism, and in growth in international interactions, Potsdam (etc.) was long a crucial node in the network of geomagnetic research. The main characters in this story – Max Eschenhagen, Adolf Schmidt, etc. – should be better known in the history of geophysics generally and this article provides some background. I especially appreciate the short appendix on the instrument makers involved.
I have only a few small corrections to recommend:
p. 2 line 3: “required” should be “acquired” perhaps.
p. 2 line 23: “temoral” should be “temporary”
Corrections to standard English usage are possible in a number of places, but the meaning was always clear to me. Light copy editing would help.
I look forward to reading part 1, already available in preprint, and part 3 soon. I look forward to the illustrations. Lastly I recommend that there be a short discussion of sources (mainly published but perhaps there are archives?). I hope these articles contribute to a continuing interest in the history of geophysics generally.
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AC2: 'Reply on RC1', Hans-Joachim Linthe, 18 Jan 2023
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Dear Gregory,
Thank you very much for your comprehensive check and comments on my article. I am pleased by your kind judgment. I followed your comments. Your recommendation on the discussion of sources is very valuable. The archive: http://www.geomagnetismus.net/ contains for instance a lot of interesting details of the geomagnetism history.
With my best regards
Hans-Joachim
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RC4: 'Reply on AC2', Gregory Good, 24 Jan 2023
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Dear Hans-Joachim, thank you for adding the discussion of sources and for the link. Best wishes. Greg
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RC4: 'Reply on AC2', Gregory Good, 24 Jan 2023
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AC2: 'Reply on RC1', Hans-Joachim Linthe, 18 Jan 2023
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RC2: 'Comment on hgss-2023-2', Anonymous Referee #2, 19 Jan 2023
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The manuscript 'History of the Potsdam, Seddin and Niemegk Geomagnetic Observatories – Second Part: Seddin' by Hans-Joachim Linthe is the second in a series of 3 describing the histoy of the Potsdam, Seddin and Niemegk geomagnetic observatories.
It is a very well written and also an important account of the history of geomagnetism because it describes a rather unknown geomagnetic observatory (Seddin), which forms part of the well-known and important geomagnetic time series of Potsdam, Seddin and Niemegk.
I only suggest minor changes to the manuscript.
Suggestions:
Page 2, line 3: 'required successfully'. change to: succesfully acquired
Page 2, line 30: It would be nice to add a figure with a sketch or photograph of the absolute hut.
Page 3, line 6: It is mentioned that the absolute hut was moved to Niemegk. If no photograph at the orirignal location exists (see comment above), one could add a photograph of the present hut in Niemegk as reference.
Page 5, line 6: What is the meaning of 'made up leeway'? Possible change to: The hourly values of this time interval were
only published later in 1959 (Fanselau, 1959).Page 5, line 30: 'was unauthorised high that the', change to: was forbiddingly high and the
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AC3: 'Reply on RC2', Hans-Joachim Linthe, 25 Jan 2023
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Dear referee,
Thank you very much for your comprehensive check of my manuscript and for your kind judgement of it. Thank you also for your valuable comments. I followed all of them.
With my best regards
Hans-Joachim
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AC3: 'Reply on RC2', Hans-Joachim Linthe, 25 Jan 2023
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RC3: 'Comment on hgss-2023-2', Anonymous Referee #3, 24 Jan 2023
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General comments
The manuscript is the second part of the series of the work on history German geomagnetic observatories. This part is about Seddin observatory. The title is adequate, the short introduction is adequate, it shows briefly circumstances of the establishment Seddin observatory. The whole article is interesting, well structured and clearly written.
Specific comments
Page 5, line 30 it seems that word “unauthorized” doesn’t fit the context, can be omitted or replaced with other word
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AC4: 'Reply on RC3', Hans-Joachim Linthe, 25 Jan 2023
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Dear referee,
Thank you very much for your comprehensive check of my manuscript and for your kind judgement of it. Thank you also for your valuable comment. I changed the word into "forbiddingly".
With my best regards
Hans-Joachim
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AC4: 'Reply on RC3', Hans-Joachim Linthe, 25 Jan 2023
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Hans-Joachim Linthe
Hans-Joachim Linthe
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