Thereza Llewelyn, 1853-1854 (ca), Portrait of John Dillwyn Llewelyn, Collodion negatve / calotype print, Private collection of Noel Chanan, LL/36502

Haack, 1871, Microphotographic Camera, Albumen print, mounted on cardboard, Albertina, © Albertina, Vienna - On permanent loan from the Austrian Federal Education and Research Institute for Graphics, LL/42238

Henry Fox Talbot, 1839, Lace, [Album di disegni fotogenici - The Bertoloni Album, Leaf 13 Recto], Photogenic drawing, solar microscope, Metropolitan Museum of Art, Harris Brisbane Dick Fund, 1936 (36.37.3), 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, Harris Brisbane Dick Fund, 1936 (36.37.3), LL/40626

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

Henry Fox Talbot, 1851 (ca), Photomicrograph of a crystal - study of polarized light, Albumenized paper print, 2 7/16 x 2 7/17 ins (6.2 x 6.2 cm), National Science and Media Museum, W.H.F. Talbot Collection, LL/45411

Henry Fox Talbot, 1851 (ca), Photomicrograph of interference patterns - study of polarized light through crystals, Albumenized paper print, 1 25/32 x 2 5/16 ins (4.5 x 5.9 cm), National Science and Media Museum, W.H.F. Talbot Collection, LL/45412

Henry Fox Talbot, 1840 (ca), Photomicrograph of three crystals - study of polarized light, Calotype negative, 2 13/32 x 2 7/32 ins (6.1 x 5.6 cm), National Science and Media Museum, W.H.F. Talbot Collection, 1937-2512, Schaaf 1477, LL/45413

Henry Fox Talbot, 1851 (ca), Photomicrograph of interference pattern - study of polarized light through crystals, Albumenized paper print, 2 5/16 x 2 5/16 ins (5.9 x 5.9 cm), National Science and Media Museum, W.H.F. Talbot Collection, 1937-2511/1, Schaaf 5055, LL/45414

John William Draper, 1844, Photomicrograph of Frog Blood, Daguerreotype, National Museum of American History, Smithsonian Institution, Kenneth E. Behring Center, Division of Information Technology and Communications, Photographic History Collection, Image ID AF 201, LL/38103

Andreas Ritter von Ettingshausen, 1840, 4 March, Cross section of a clematis stem, Daguerreotype, whole plate, Albertina, LL/36186

John William Draper, 1850, Photomicrograph of a Fly's Proboscis, Daguerreotype, National Museum of American History, Smithsonian Institution, Behring Center, Division of Information Technology and Communications, Photographic History Collection, Image No. AFS 203, LL/36183

Adolphe Bertsch, 1853-1857 (ca), Male Itch Mite, Salt print, SFMOMA - San Francisco Museum of Modern Art, © San Francisco Museum of Modern Art, Members of Foto Forum, LL/36344

Adolphe Bertsch, 1855, Antennes du Moucheron Volucelle (gross 4000 fois), Salt print, 15 x 15 cm, Bassenge Photography Auctions, Courtesy of Bassenge, Berlin (Photography, Sale: 90, Lot: 4023, Dec 5, 2007), LL/25209

Adolphe Bertsch, 1857, Bois du pin sylvestre (coupe horizontale). Gross. 1600 fs., Salt print, Daniella Dangoor, LL/36535

John William Draper, 1856, Photomicrograph of Algae, Daguerreotype, National Museum of American History, Smithsonian Institution, Behring Center, Division of Information Technology and Communications, Photographic History Collection, Image No. AFS 146, LL/36187

Alfred Donné, n.d., Blood corpuscles of the frog, [Donné "Atlas", fig. 8], Daguerreotype, photomicrograph, Wellcome Collection, Wellcome Library, London (M0011457, Museum No. 7/1950), LL/36721

Léon Foucault, 1844, Blood corpuscles of a frog, Daguerreotype, photomicrograph, 12.8 x 9.4 cm, Wellcome Collection, Wellcome Library, London (L0015258, Library reference no.: Iconographic Collection 578807i), LL/36722

Donné & Foucault, n.d., Rouleaux of blood corpuscles, Daguerreotype, photomicrograph, Wellcome Collection, Wellcome Library, London (L0015259, Iconographic Collections), LL/36723

Léon Foucault, 1844, Brewer's Yeast, Daguerreotype, 9.5 x 12.7 cm (3 3/4 x 5 ins), Société Française de Photographie, LL/38280

Alois Auer, 1853 (ca), [Microscopic view on an insect], Albumen silver print, Metropolitan Museum of Art, Rogers Fund, 1918 (18.17.1.217), LL/36173

Donné & Foucault, 1855, Fig.40 - thin disc of cow's milk. The 120th of an inch in diameter, magnified 400 times in its linear and 160000 times in its superficial dimensions., Book page, Google Books, LL/35181

W. & F. Langenheim, n.d., The Lord's Prayer - Containing 268 letters in a space the one thousand part of a square inch. and almost invisible by the naked eye. Made by W. F. Langenheim, Philadelphia, Photomicrograph, slide, Private collection of Herbert C. McKay, LL/48546

W. & F. Langenheim, n.d., The Lord's Prayer - Containing 268 letters in a space the one thousand part of a square inch. and almost invisible by the naked eye. Made by W. F. Langenheim, Philadelphia, Photomicrograph, slide, enlarged, Private collection of Herbert C. McKay, LL/48547

Alfred Reeves, n.d., Photograph. We Praise Thee O Lord Painted by Barraud. 8. A. Reeves, Photo., Microscope slide, Private collection of Professor Brian Stevenson, Ph.D., Original photograph provided by Reg Porter., LL/36905

Henry Hering, 1862, 31 May, The Kings and Queens of England, From the Conquest to Queen Victoria, Advertisement, Private collection of Professor Brian Stevenson, Ph.D., LL/44292

Henry Hering, 1862, The Kings and Queens of England, From the Conquest to Queen Victoria, Carte de visite, Private collection of Professor Brian Stevenson, Ph.D., LL/44291

Alfred Reeves, n.d., Photograph. The Kings & Queens of England, From the Conquest to Queen Victoria. Contains 85 Portraits. A.R., Microscope slide, Private collection of Professor Brian Stevenson, Ph.D., Original photographs courtesy of David Evans., LL/36906

John Charles Stovin, 1858-1862, Examples of microphotograph slides by J.C. Stovin., Microphotograph slides, Private collection of Professor Brian Stevenson, Ph.D., LL/44286

John Charles Stovin, 1862 (exhibited), Two microphotographs with titles that match descriptions of full-sized photographs displayed by Stovin at the 1862 London Exposition, Microphotograph slides, Private collection of Professor Brian Stevenson, Ph.D., LL/44288

John Charles Stovin, 1858-1862, Examples of Stovin's microphotographs, Microphotograph slides, Private collection of Professor Brian Stevenson, Ph.D., LL/44287

John Charles Stovin, 1858-1862, Her Majesty the Queen (Victoria), Microphotograph slide, Private collection of Professor Brian Stevenson, Ph.D., LL/44294

John Charles Stovin, 1858-1862, His Royal Highness Prince Albert, Microphotograph slides, Private collection of Professor Brian Stevenson, Ph.D., LL/44295

John Benjamin Dancer, n.d., The Micrograph, Viewer for micrographs, Interencheres - La Gallerie de Chartes, Collection Henry Koilski (Galerie de Chartres, Auction, 9 October 2011, Lot: 727), LL/44272

Oliver Wendell Holmes, n.d., Photomicrograph of "The Declaration of Independence", Google Books, LL/39651

Adolphe Neyt, 1865 (ca), Photomicrograph of a flea, Albumen print, 19.8 x 15.0 cm, George Eastman Museum, Record Id: 1977:0638:0015, LL/35658

Arthur E. Durham, 1863 (ca), Three Mites, Albumen print, National Science and Media Museum, The Royal Photographic Society, Ref Number: 2003-5001/2/23760/1, LL/41844

Arthur E. Durham, 1865 (ca), Photomicrograph of a Fly, Albertina, LL/36345

Arthur E. Durham, 1863-1864, Photomicrograph of a Flea, Albumen print, National Science and Media Museum, © Royal Photographic Society Collection, National Media Museum, Bradford, UK, purchased with the assistance of the Art Fund, LL/36346

Albert Moitessier, 1866, Photo-micrographs, Book plate, Google Books, LL/36553

Jules Girard, 1869, Diatomées groupées, Heliogravure, Google Books, LL/36349

J. Dunlop (English), 1870, Eye of Indian Gad fly. Magnified 100 diameters, Albumen print, Private collection of Brad Feuerhelm, LL/20636

Joseph Janvier Woodward, 1871 (ca), Small Artery and Capillaries from Lung of Frog, [Report to the Surgeon General of the United States Army on an improved Method of Photographing Histological Preparations by Sunlight" - Issued by the U.S. War Department Surgeon General's Office - Plate No. 2 (of 9).], Albumen print, photo-micrograph, 6 x 6 in (16x16 cm), Christopher Wahren Fine Photographs, Courtesy of Christopher Wahren Fine Photographs (hb72.365), LL/13885

Unidentified photographer / artist, 1880, Saccharomycetes and Schizomycetes (Nageli), Book illustration, Google Books, LL/35802

George E. Davis, 1881, Proboscis of Fly, Woodburytype, magazine illustration, Google Books, LL/35789

Frederick H. Evans, n.d., Microscopes slide of "Sponge Spicules" (left) and "Pulex Iritans (sic) - Flea" (right) with signatures, Microscope slides, Private collection of Professor Brian Stevenson, Ph.D., LL/36900

Frederick H. Evans, n.d., Microscopes slide of "Sponge Spicules" (left), "Tooth of Shark" (center) and "Pulex Iritans (sic) - Flea" (right) with signatures, Microscope slides, Private collection of Professor Brian Stevenson, Ph.D., LL/36903

Frederick H. Evans, 1914 (album), Spine of Echinus (title incomplete), Photomicrograph, on album page, George Eastman Museum, 1973:0250:0042a., LL/36554

Frederick H. Evans, 1914 (album), Spine of Echinus (title incomplete), Photomicrograph, George Eastman Museum, 1973:0250:0042a., LL/36555

Frederick H. Evans, 1914 (album), Photomicrograph, Photomicrograph, on album page, George Eastman Museum, GEH#1973:0250:0042b, LL/36556

Frederick H. Evans, 1914 (album), Photomicrograph, Photomicrograph, George Eastman Museum, GEH#1973:0250:0042b, LL/36557

Frederick H. Evans, 1887 (ca), Fr: Sec: Spine of Echinus x. 40, Platinum print, 4 3/4 x 4 11/16 ins (12.1 x 11.9 cm) (image) 13 5/8 x 10 5/16 ins (34.6 x 26.2 cm) (mount), Philadelphia Museum of Art, Purchased with funds contributed by Dorothy Norman, 1973, 1973-197-65, LL/40656

Unidentified photographer / artist, 1887, Bacillus anthracis, Book illustration, Google Books, LL/35795

Unidentified photographer / artist, 1887, Proteus Zenkeri, Book illustration, Google Books, LL/35794

Unknown (Great Britain), 1890 (ca), Microphotograph of a tick, Cyanotype, 2.75 x 3 ins, Archive Farms, LL/38883

Wilson A. Bentley, 1895 (ca), Snowcrystal, Albumen print, 3 x 4 in (7.5 x 10 cm), Swann Galleries - New York, Courtesy of Swann Galleries (Auction, Dec 7, 2006, #2097, Lot 372), LL/15996

Wilson A. Bentley, 1890, Snowflake Study, Albumen print, 3 x 3 ins, Smithsonian Institution Archives, Image No. RU 31 Box 12 Folder 17, LL/36377

Richard Neuhauss, 1892-1893, Snow crystals and ice structures, Gelatin silver print, 16.7 x 10,8 cm, Feroz Gallery, LL/44924

Richard Neuhauss, 1892-1893, Snow crystals and ice structures, Gelatin silver print, 16.2 x 10.6 cm, Feroz Gallery, LL/44926

Richard Neuhauss, 1892-1893, Snow crystals and ice structures, Gelatin silver print, 10.5 c 16.2 cm, Feroz Gallery, LL/44927

Unidentified photographer / artist, 1905 (publication) 1896 (copyright), Fig.67 Ink-Crystals, as seen through a microscope, Book illustration, This work is out of copyright, LL/35104

Arthur Wells Bawtree, 1900 (ca), Wing of a Gnat, Magnified 40 Times, Gelatin silver print, 3 in (7.62 cm) x 6 in (15.24 cm), Robert Tat Gallery, Courtesy of Robert Tat Fine Photographs (www.roberttat.com - #1339), LL/8955

George Hook Rodman (1861-1933), 1900 (ca), Hairs on wing of a fly x 450, Gelatin silver print, National Science and Media Museum, The Royal Photographic Society, Ref Number: 2003-5001/2/20192, LL/41852

Laure Albin-Guillot, 1929 (ca), Micrographie, Tirage argentique, 22 x 28 cm, Photo Verdeau, LL/7990

Carl Strüwe, 1933, Stinging Nettle - Urtica - Stinging hairs (Urbild der Abwehr), Gelatin silver print, Microphotograph 35:1, 24 x 18.5 cm, Carl-Strüwe-Archiv, © Carl-Struwe-Archiv, Bielefeld, Germany (STR-1-097), LL/27587

Sondra Barrett, 1979, Frangelico, Sweet Italian, Hazelnut Liqueur, [Microscopic wine crystals], 13 x 19 3/8, Barry Singer Gallery, LL/2865