Brook Taylor (based on work by), 16th century, Leonardo da Vinci in the 16th century gave a description of the camera obscura, Drawing, Private collection, LL/31675

Unidentified photographer / artist, n.d., The first illustration of a camera obscura used to observe a solar eclipse was published in 1544 by Dutch physician and mathematician Reinerius Gemma-Frisius., Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/33072

Unidentified photographer / artist, 1685, Johann Zahn, Reflex box camera obscura, 1685, Engraving, Private collection, LL/31667

Unidentified photographer / artist, 1751 -1772, Camera obscura, [l'Encyclopédie, ou Dictionnaire Raisonné des Sciences, des Arts et des Métiers de Diderot et d'Alembert.], Engraving, Private collection, LL/31672

J. Ouartley, 1825 (ca), A drawing tent in the landscape with a lens on the top, Book illustration, Private collection of Jack and Beverly Wilgus, LL/31676

Unidentified photographer / artist, n.d., Mirror for a camera obscura, Private collection, LL/31677

G.W. Crompton, 1886-1896 (ca), Printed Advertisement for Camera Obscura, Southport, Advert, Museum of the History of Science, LL/39617

Unidentified photographer / artist, 1860-1870s (ca), American diminutive Camera Obscura, Camera obscura, Stereographica - Antique Photographica, LL/32926

Unidentified photographer / artist, 1950 (built), Camera Obscura building, San Francisco, CA, built in 1950, Private collection of Jack and Beverly Wilgus, LL/31683

Unknown artist, 1810 (ca), Silhouette of child, Silhouette, National Science and Media Museum, LL/42464

Unknown artist, 18th century, Silhouette portrait of an aristocrat, Silhouette, with the aid of Physionotrace, Musée français de la Photographie, LL/42462

Mark Osterman, 2000-2001, Roger Watson, Physiognotrace, Provided by the artist - Mark Osterman, LL/42731

Unidentified photographer / artist, 1793, Physionotrace des. par Fouquet et gr. par Chrétien, Physionotrace, Creative Commons - Wikipedia, LL/33067

Edme Quenedey (engraver), 1801 (ca), Physionotrace portrait of Lady Mount Cashell, Physionotrace, engraving finished with etching and aquatint, NYPL - New York Public Library, LL/42457

Unknown artist, 18th century, Portrait of a unidentified man - Bernbault (?), Physionotrace, Musée français de la Photographie, LL/42461

Unidentified photographer / artist, 1807, A camera lucida in use, Engraving, George Eastman Museum, LL/33061

Unknown maker, 1840s (manufactured), British camera lucida, Instrument, Archive Farms, LL/38894

Unidentified photographer / artist, n.d., Angelo Sala, Engraving, Creative Commons - Wikipedia, LL/33062

Sir Thomas Lawrence, 1821 (ca), Sir Humphry Davy, Oil painting, National Portrait Gallery - NPG, LL/33050

C. Laguiche, 1795 (ca), Joseph Nicéphore Niépce, Ink and watercolor, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/6129

Joseph Nicéphore Niépce, 1864 (published), Fig. 3 Maison de campagne des Gras, près de Chalon-sur-Saône ou Nicéphore Niépce execute ses recherches sur l'héliographie, Engraving, Google Books, LL/34340

Unidentified photographer / artist, 1845, Joseph Nicéphore Niépce (1765-1833), Engraving, Creative Commons - Wikipedia, LL/33069

Joseph Nicéphore Niépce, 1826 (taken) 2003 (photographed), Official image of the First Photograph in 2003, minus any manual retouching, Joseph Nicéphore Niépce's View from the Window at Le Gras. c. 1826, Harry Ransom Humanities Research Center at the University of Texas at Austin, LL/39145

Joseph Nicéphore Niépce, 1826- 1827 (ca), View from the Window at Le Gras, Heliograph, Oil-treated bitumen, Creative Commons - Wikipedia, LL/33070

Joseph Nicéphore Niépce, 1989, 6 September (date of issue), Set of 3 from Suriname stamps commemorating the 150th anniversary of photography. The stamp no. 844 (Scott) shows portrait of Nicéphore Niépce (1765-1833)., Postage stamp, Private collection of Krzysztof Slowinski, LL/36846

Louis Jacques Mandé Daguerre, 1839, Title page of "Daguerréotype et du Diorama" by Louis Jacques Mandé Daguerre - Showing signature, Title page, Archives of Modern Conflict OR National Gallery of Canada, LL/9685

Arthur Kaan (1867-1940, Sculptor), 1889, August (manufactured), Cast metal bust of Daguerre, Sculpture, Archives of Modern Conflict OR National Gallery of Canada, LL/42907

Charles Richard Meade, 1848 (original Daguerreotype) 1860s (ca), Daguerre [Louis Jacques Mandé Daguerre], Cabinet card, Private collection of Noel Chanan, LL/33039

Louis Jacques Mandé Daguerre, 1822 (or later), Daguerre's Diorama in Paris, Lithograph, Archives of Modern Conflict OR National Gallery of Canada, LL/35396

Louis Jacques Mandé Daguerre, 1827, 30 June, Sights of London. the Diorama - Ruins in a Fog, Magazine illustration, Google Books, LL/35585

Louis Jacques Mandé Daguerre, 1830, Diorama, Regent's-park, Book page, Google Books, LL/35584

Antoine Claudet, 1852, M. Arago, Wood engraving, Private collection of Noel Chanan, LL/33038

François Arago, 1839, 10 August (event) 1864 (published), Fig. 12 Arago annonce la découverte de Daguerre, Engraving, Google Books, LL/34344

Louis Jacques Mandé Daguerre, 1839, Book cover of "Daguerréotype et du Diorama" by Louis Jacques Mandé Daguerre, Book cover, Archives of Modern Conflict OR National Gallery of Canada, LL/9683

Louis Jacques Mandé Daguerre, 1839, Title page of "Daguerréotype et du Diorama" by Louis Jacques Mandé Daguerre, Title page, Archives of Modern Conflict OR National Gallery of Canada, LL/9684

Louis Jacques Mandé Daguerre, 1839, L. J. M. Daguerre "Das Daguerreotyp und das Diorama" (Metzler, Stuttgart 1839), Title page, Creative Commons - Wikipedia, LL/33065

Louis Jacques Mandé Daguerre, 1839 (ca), View of Boulevard du Temple, Daguerreotype, Bayerisches Nationalmuseum, LL/33074

Louis Jacques Mandé Daguerre, 1839, The Pavillon de Flore and the Pont-Royal [Le Pavillion de Flore et le Pont Royal], Daguerreotype, Musée des arts et métiers, LL/39772

Louis Jacques Mandé Daguerre, 2007, Portrait of Daguerre with an Ipod, Illustration, Archives of Modern Conflict OR National Gallery of Canada, LL/35499

Unidentified photographer / artist, 1853, The apparatus for the Daguerreotype, Book illustration, Google Books, LL/34653

Unidentified photographer / artist, n.d., Plate box for White's Plates, Box for Daguerreian plates, Larry Gottheim, Be-hold, Inc, LL/27067

Antoine Claudet, 1844 (ca), Portrait of William Fox Talbot, Daguerreotype, cased, National Science and Media Museum, LL/41830

Antoine Claudet, 1844 (ca), William Henry Fox Talbot, Daguerreotype, British Library, LL/37233

John Moffat, n.d., Henry Fox Talbot, Carte de visite, National Gallery of Canada / Musée des beaux-arts du Canada, LL/6723

Henry Fox Talbot, 1833, 5 October, Sketch of Lake Como, Drawing, made with a camera lucida, National Science and Media Museum, LL/42983

Henry Fox Talbot, 1833, 6 October, View towards Lecco, Drawing, made with a camera lucida, National Science and Media Museum, LL/42984

Henry Fox Talbot, 1835 or 1839, [the Oriel Window, South Gallery, Lacock Abbey], Photogenic drawing negative, Metropolitan Museum of Art, LL/6303

Henry Fox Talbot, 1835, August, Latticed Window at Lacock Abbey, Photogenic drawing, Creative Commons - Wikipedia, LL/33075

Henry Fox Talbot, 1838, 13 December, Flowers and stem, Photogenic drawing, National Science and Media Museum, LL/41808

Henry Fox Talbot, 1839, Lace, [Album di disegni fotogenici - The Bertoloni Album, Leaf 13 Recto], Photogenic drawing, solar microscope, Metropolitan Museum of Art, LL/40625

Henry Fox Talbot, 1839, Lace (enlarged detail), [Album di disegni fotogenici - The Bertoloni Album, Leaf 13 Recto], Photogenic drawing, solar microscope, detail, Metropolitan Museum of Art, LL/40626

Henry Fox Talbot, 1840 (ca), Photomicrograph of Moth Wings, Calotype negative, National Science and Media Museum, LL/36343

Henry Fox Talbot, 1844, 1 May, The Pencil of Nature, Magazine page, Google Books, LL/35200

Henry Fox Talbot, 1844, Cover for The Pencil of Nature by William Henry Fox Talbot, [The Pencil of Nature], Book cover, Hans P. Kraus, Jr., Inc., LL/18316

Henry Fox Talbot, 1844, Title page for The Pencil of Nature by William Henry Fox Talbot, [The Pencil of Nature], Title page, Hans P. Kraus, Jr., Inc., LL/18317

Henry Fox Talbot, 1844 (published), View of the Boulevards at Paris, [The Pencil of Nature, Part 1, pl. 2], Calotype, Hans P. Kraus, Jr., Inc., LL/18319

Henry Fox Talbot, 1844 (published), Articles of Glass, [The Pencil of Nature, Part 1, pl. 4], Calotype, Hans P. Kraus, Jr., Inc., LL/18321

Henry Fox Talbot, 1844 (published), Leaf of a Plant, [The Pencil of Nature, Part 2, pl. 7], Calotype, Hans P. Kraus, Jr., Inc., LL/18324

Henry Fox Talbot, 1844 (published), Fac-simile of an Old Printed Page, [The Pencil of Nature, Part 2, pl. 9], Calotype, Hans P. Kraus, Jr., Inc., LL/18326

Henry Fox Talbot, 1844 (published), The Ladder, [The Pencil of Nature, Part 3, pl. 14], Calotype, Hans P. Kraus, Jr., Inc., LL/18331

Henry Fox Talbot, 1844 (published), A Fruit Piece, [The Pencil of Nature, Part 6, pl. 24], Calotype, Hans P. Kraus, Jr., Inc., LL/18341

Henry Fox Talbot, 1845, April, Review of "The Pencil of Nature" By Henry Fox Talbot, F.R.S. Parts I. and II. Longman & Co,, Magazine page, Google Books, LL/34741

Anna Atkins, 1843-1853 (published), Title page for Anna Atkins "Photographs of British Algae: Cyanotype Impressions", [Photographs of British algae: cyanotype impressions], Cyanotype, cropped, NYPL - New York Public Library, LL/39620

Anna Atkins, 1843, October - 1844, May, Cystoseira fibrosa, [Photographs of British algae: cyanotype impressions. Part II], Cyanotype, NYPL - New York Public Library, LL/39583

Anna Atkins, 1849, November - 1850, June, Dictyota dichotoma, in the young state; and in fruit., [Photographs of British algae: cyanotype impressions. Part XI], Cyanotype, NYPL - New York Public Library, LL/39594