Author:Friedrich von Hahn
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Works
[edit]- "Observations on the spots of the sun, and the nature of the light of that luminary" in The Philosophical Magazine, series 1, volume 11, issue 41. pages 39–44 (1801)
Some or all works by this author were published before January 1, 1929, and are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.
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