Gemma Frisius, 1545 (published), A drawing by Gemma Frisius showing how he used a pinhole within a darkened room to study the solar eclipse of 1544, Engraving, Private collection, LL/31674
1842, 7 July, Appearances of the Total Eclipse of the Sun, 1842, July 8 (??) as seen from the Superga near Turin, Magazine illustration, engraving, Google Books, LL/35222
1842, 7 July, Appearances of the Total Eclipse of the Sun, 1842, July 8 (??) as seen from the Superga near Turin, Magazine illustration, engraving, Google Books, LL/35223
Charles Burton, 1874, Transit of Venus, Photographic print, Armagh Observatory, LL/45765
Unidentified photographer, 1885, 16 March, The Beginning of the eclipse at Vassar College. March 16, 1885, Carte de visite, Harvard College Observatory, LL/41593
Harvard College Observatory, 1896, 17 April, Omega Centauri [photograph taken by Bruce telescope, April 17, 1896, exposed 30 minutes], Photographic print, Harvard University Archives, LL/41658
Unidentified photographer, 1898, 27 December, Eclipse of Dec. 27, 1898, made at Thomaston, Me. with 3 inch telescope, Photographic print, Harvard College Observatory, LL/41594
Unknown (Astrophotographe en mission), 1898 (ca), Détermination du pôle magnétique terrestre Grand Nord, Collodion printing-out paper print from glass negative, CEROS - Jean-Mathieu Martini / Serge Plantureux, LL/41113
Sir Arthur Eddington, 1919, 29 May, Total Solar Eclipse, [Royal Astronomical Society expedition to Principe], Halftone, Creative Commons - Wikipedia, LL/39514
Charles Piazzi Smyth, 1858, Stereoscopically illustrated book. Teneriffe - An Astronomer's Experiment, by C. Piazzi Smyth. Published by Lowell Reeve in 1858. The hard bound book has over 450 pages and is illustrated with 20 real photographic stereo views., Book cover, Stereographica - Antique Photographica, LL/17483
Harvard College Observatory, 1896-1899 (ca), [Bruce Telescope at Harvard College Observatory, Southern Station, Arequipa, Peru, Cyanotype, Harvard University Archives, LL/41657