Engraving of -1231 March 14? (Carshenna, Switzerland)
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Engraving of -1231 March 14? (Valcamonica, Italia)
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Engraving of -1229 July 18? (Aspeberget, Sweden)
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Engraving of -1229 July 18? (Aspeberget, Sweden)
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Sketch of 1806 June 16 (José Joaquin de Ferrer from Kinderhook NY, USA)
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Drawing of 1842 July 8 (Arago from Kinderhook NY, USA)
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Daguerreotype of 1851 July 28 (Berkowski from Königsberg, Prussia)
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Drawing of 1851 July 28 (Arago)
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Sketch of 1851 July 28 (Secchi)
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Sketch of 1853 November 30 (Moesta in Peru)
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Sketch of 1857 March 25 (Emmanuel Liais in Mexico)
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Sketch of 1858 September 7 (Emmanuel Liais in Brazil)
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Sketch of 1860 July 18 (Tempel / Raynard from Torreblanca, Spain)
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Sketch of 1860 July 18 (Secchi in Spain)
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Sketch of 1860 July 18 (de La Rue from Rivabellosa, Spain)
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Sketch of 1867 August 29 (Grosch in Chile)
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Sketch of 1868 August 18 (Bullock in the Celebes Sea)
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Sketch of 1869 August 7 (Schott from Springfield IL, USA)
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Sketch of 1870 December 22 (Janssen from Oran, Algeria)
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Sketch of 1871 December 12 (Janssen from Shoolor, India)
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Sketch of 1871 December 12 (Tupman in Sri Lanka - Ceylon)
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Sketch of 1871 December 12 (William Harkness)
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Sketch of 1878 July 29 (Flammarion in Nebraska, USA)
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Sketch of 1878 July 29 (Trouvelot from Creston WY, USA)
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Sketch of 1878 July 29 (William Harkness)
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Sketch of 1878 July 29 (William Harkness)
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1882 May 17 (Egypt)
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1882 May 17 (Schuster & Wesley in Egypt)
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1882 May 17 (Eclipse & X/1882 K1 Comet)
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1882 May 17 (Eclipse & X/1882 K1 Comet)
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Sketch of 1883 May 6 (Trouvelot on Caroline Island, Kiribati)
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1887 August 19 (Kranz from Berlin, Germany)
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1887 August 19 (Germany)
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1889 January 1 (USA)
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1889 December 22 (Lick Observatory from Cayenne, French Guiana)
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1893 April 16 (Lick Observatory in Chile)
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1893 April 16 (Lick Observatory in Chile)
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1893 April 16 (Deslandres in Senegal)
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1893 April 16 (Deslandres in Senegal)
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1898 January 22 (India)
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