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

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

Athanasius Kircher, 1646, Chambre Obscure, Engraving, Private collection of Jan Weijers (Servatius), LL/45243

Unidentified photographer, 1694, Portable Camera Obscura, Engraving, Museum of the History of Science, LL/39616

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 of Alan Griffiths, LL/8023

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/31671

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

Unidentified photographer / artist, 1769, May, The Method of drawing Landscapes, &c. by help of a Camera Obscura, Magazine page, Google Books, LL/34610

Benard Direxit (engraver), 1751-1772, Camera obscura, [l'Encyclopédie, ou Dictionnaire Raisonné des Sciences, des Arts et des Métiers de Diderot et d'Alembert.], Engraving, Private collection of Alan Griffiths, LL/8024

C. Gobrecht, Sc / J. Farey Junior, delin, n.d., Camera obscura, [Optics, Plate III], Engraving, Private collection of Jan Weijers (Servatius), LL/45794

Unidentified photographer / artist, 1786, Camera Obscura - Plate 3, Fig 3 from A. Rees Cyclopoedia, Universal Dictionary of Arts and Sciences (1786), Engraving, Private collection, LL/31673

C. Gobrecht, Sc / J. Farey Junior, delin, n.d., Camera obscura, [Optics, Plate III], Engraving, Private collection of Jan Weijers (Servatius), LL/45792

C. Gobrecht, Sc / J. Farey Junior, delin, n.d., Camera obscura, [Optics, Plate III], Engraving, Private collection of Jan Weijers (Servatius), LL/45793

Abbé Nollet, 1733, Chambre Noire, Engraving, Private collection of Jan Weijers (Servatius), LL/45240

1869, June, The Dark Chamber, Magazine illustration, Google Books, LL/34785

Unidentified photographer / artist, 17th century, Illustration of camera obscura from "Sketchbook on military art, including geometry, fortifications, artillery, mechanics, and pyrotechnics", Illustration, Private collection, LL/31738

Ger. Vandergucbt (engraver), 1784, [Medical illustrator using a camera obscura], Engraving, Google Books, LL/50773

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

Edmund Atkinson, 1872, A camera obscura, Illustration, Internet - Original source ill-defined, LL/61042