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Article Evaluation Georg Hartmann
Georg Hartmann


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 * There is a big section missing about his life after he settled in Nuremberg in 1518 until his death.
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 * More information on his life story
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 * The article is neutral and no claims or frames appear heavily biased toward a particular position.
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 * No viewpoints are over represented. One viewpoint that is under represented is his view on Earth's magnetic field.
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 * Each fact is referenced with an appropriate reference, but all references are located after the last sentence. The information comes from books and scholarly articles. These are neutral sources and are not biased.
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Article Additions for Georg Hartmann
After finishing his studies, he traveled through Italy and finally settled in Nuremberg in 1518.


 * Citation added

While in Nuremberg Hartmann served as vicar of the St. Sebald church from his arrival in 1518 until 1544.

Hartmann is credited with being the first person to design refractive sundials in the Sixteenth century.


 * Adding sentences

Sources for Georg Hartmann
Ian Nelson and Weston Robertson are working on Georg Hartmann

Weston Robertson (talk) 18:19, 28 February 2020 (UTC)
 * Hartmann's Practika : a manual for making sundials and astrolabes with the compass and rule; Bellvue (Conn.) : John Lamprey, ; ISBN: 1931947007 9781931947008;http://data.isiscb.org/isis/citation/CBB000301754/
 * Nuncius: The dioptrics of refractive dials in the sixteenth century; Dupre, Sven; http://data.isiscb.org/isis/citation/CBB000340715/
 * Astronomie in Nürnberg: Anläßlich des 500. Todestages von Bernhard Walther (1430--1504) und des 300. Todestages von Georg Christoph Eimmart (1638--1705) (2010); Wolfschmidt, Gudrun (Editor); 9783868506099 (ISBN)

Draft for Georg Hartmann Article

 * Note to peer reviewers: My additions are not all together or cohesive with each other so my information will jump around. However, all of my draft additions are written below. Weston Robertson (talk) 18:48, 14 March 2020 (UTC)

While in Nuremberg, Hartmann served as vicar of the St. Sebald church from his arrival in 1518 until 1544. Weston Robertson (talk) 18:48, 14 March 2020 (UTC) Hartmann is credited with being the first person to design refractive sundials in the Sixteenth century. Weston Robertson (talk) 18:48, 14 March 2020 (UTC)

He died in Nuremberg in 1564. Weston Robertson (talk) 18:48, 14 March 2020 (UTC)

More detailed section on the various types of instruments Hartmann manufactured Weston Robertson (talk) 23:37, 15 March 2020 (UTC)

During his time in Nuremberg, Georg Hartmann designed and manufactured many different types of instruments in his workshop. Different types of dials manufactured by Hartmann included Block dials, Declining dials, Shepherd's dials, Moon dials, Chalice dials, and Cylinder dials. Along with these dials Hartmann was known for his design and manufacture of brass Astrolabes. Hartmann kept a very detailed self-written manual in German describing how to manufacture his sundials and astrolabes which was translated into English by John Lamprey in his book "Hartmann's Practika", published in 2002. Weston Robertson (talk) 23:04, 15 March 2020 (UTC)

New section about what museums have Hartmann's work on display at. Weston Robertson (talk) 23:37, 15 March 2020 (UTC)

Many of Hartmann's instruments can still be seen today in museums. In the United States of America, you can find some of Hartmann's instruments on display at the Adler Planetarium in Chicago, Harvard University, The National Museum of American History at the Smithsonian Institution in Washington D.C., and Yale University in the History of Science Museum. In England, some instruments can be seen at The British Museum, the National Museum of Science and Industry, and the National Maritime Museum Greenwich in London; as well as the Museum of the History of Science in Oxford. Weston Robertson (talk) 23:32, 15 March 2020 (UTC)

In Germany, Hartmann's instruments can be seen on display at the Germanisches Nationalmuseum in Nuremberg, Kunstgewerbemuseum in Berlin, Museum fur Angewandte Kunst in Cologn, Staatlicher Mathematisc-Physikalischer Salon in Dresden, and the Kestner-Museum in Hannover. Some of Hartmann's astrolabes can be seen on display in France at the Bibliotheque Nationale in Paris and the Musee National de la Renaissance in Ecouen. In the Netherlands astrolabes manufactured by Hartmann can be seen on display at the Museum Boerhaave in Leiden and the Utrecht University Museum in Utrecht. Other museums in Europe where some of Hartmann's are on display include the Kunsthistorisches Museum in Vienna, Musee de la Vie Wallone in Luttich, Belgium, Nationalmuseet in Copenhagen, Denmark, Museo di Storia della Scienza in Florence, Italy, and the St. Paul Stiftsgymnasium.

Hartmann's 1537 batch of astrolabes for the 39° latitude plate were found to be inaccurate, having the almucantars spaced out too far. Of the four astrolabes in that production run, all of them had these errors. This led to the conclusion that it was a simple human error, and shown a light on the amount of work that went into each of these instruments. Following the discovery of these errors, a deeper look went into Georg's manufacturing methods. Ianq5d (talk) 16:58, 30 March 2020 (UTC)

Hartmann was a famed student in the study of magnetism, with his discovery that a compass does not always point to true north. He discovered that while in Rome a compass would dip 6° off of true north. With this discovery he attempted to find the mathematical reason why this was the case, but his solution to this phenomenon was flawed. This discovery by Hartmann was not published and the only record of this was a letter he sent to Duke Albert of Prussia. This letter was not public knowledge until almost three centuries later in 1831 when it was finally printed. Thus his work with magnetism was not able to be studied or influenced others in this era.Ianq5d (talk) 17:19, 30 March 2020 (UTC)

Georg Hartmann Studied both Theology and Mathematics while at Cologne in the 1510's. He was always a tinkerer and had a deep fasination with mechanics, horology, instrumentation, and natural phenomenon. While he used this knowledge to make a living creating numerous different instruments during his life, Hartmann was a priest by vocation with several benefices which allowed by to continue his work without a real need of making a living.Ianq5d (talk) 17:19, 30 March 2020 (UTC)

After his days studying at Cologne, Hartmann went to Rome to continue his studies where he was friends with Andreas Copernicus, brother to Nicholas Copernicus.Ianq5d (talk) 17:19, 30 March 2020 (UTC)

Review by K8shep (talk) 14:57, 19 March 2020 (UTC)
1. What does the article do well? Is there anything from your review that impressed you? Any turn of phrase that described the subject in a clear way? Great job! I can clearly see your plans here and even though your additions will jump around, they are completely coherent, useful, and notable. Excellent job.

2. What changes would you suggest the author apply to the article? Why would those changes be an improvement? Nothing much. Make sure you're citing after every statement, if you can.

3. What's the most important thing the author could do to improve the article? Keep up the good work! Maybe link to another article or two in here, if you think that would be helpful.

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