Kodak Ltd (England), n.d., Portable reflex camera obscura, Camera obscura, George Eastman Museum, LL/69991

William Despard Hemphill, 1861-1880 (ca), Lady Blessington's Bath, Clonmel, Albumen print, George Eastman Museum, LL/74618

Eugène Atget, 1905-1906, Hotel Thiroux de Montsange Rue de la Boetie 111 (8e), Albumen print, George Eastman Museum, LL/45456

Alvin Langdon Coburn, 1908, The Copper Plate Press (Self-Portrait), Gum platinum print, George Eastman Museum, LL/6430

Robert Cornelius, 1841, 6 December, Portrait of Martin Hans Boyè, Daguerreotype, 1/4 plate, George Eastman Museum, LL/46480

Southworth & Hawes, 1850, [Unidentified Female in Wedding Dress], Daguerreotype, full plate, George Eastman Museum, LL/6402

Chusseau-Flaviens, 1900-1919 (ca), Grece La Reine Mere, Negative, gelatin on glass, George Eastman Museum, LL/35713

James Anderson, 1870 (ca), Colonna Traiana Basamento, Albumen print, George Eastman Museum, LL/74738

Gustave Le Gray, 1855 (ca), Pompeii Public Forum, Albumenized salted paper print, George Eastman Museum, LL/70003

Julia Margaret Cameron, 1865, My grandchild my chef d' oeuvre, Albumen print, George Eastman Museum, LL/74576

F. Jay Haynes, 1883 (ca), Fording the Gibbon River, [Yellowstone Park Scenery / Northern Pacific Scenery], Stereocard, George Eastman Museum, LL/75251

Robert Heinecken, 1974, Cliché Vary/Fetishism, Photographic emulsion on canvas, pastel chalk, George Eastman Museum, LL/33341

Unidentified designer, 1858, The Photographers' Club of New England 1858 lapel pin, Lapel pin, George Eastman Museum, LL/74644

Frederick H. Evans, 1895 (ca), Great Gable from Westdale, Platinum print, George Eastman Museum, LL/74520

George Shadbolt, 1856 (ca), Landrep's Cottage, [Photographic Exchange Club (England)], Salted paper print, George Eastman Museum, LL/70020

Robert Macpherson, 1863 (ca), Interior of museum - Vatican (?), Albumen print, George Eastman Museum, LL/74474

Clarence H. White, 1898, Girl with Mirror, Platinum print, George Eastman Museum, LL/57196

Unidentified photographer, 1862 (ca), Newburyport, Massachusetts church organ, Ambrotype, 1/4 plate, George Eastman Museum, LL/74683

James Anderson, 1860 (ca), Foro Romano, Albumen print, George Eastman Museum, LL/74793

Hill & Adamson, 1845, Greyfriars' Churchyard, Mylnes' Monument, Salted paper print, George Eastman Museum, LL/74770

William E. Bowman, 1867 (ca), American Eagle, Stereograph, albumen prints, George Eastman Museum, LL/45422

J. Garnier (French), 1850 (ca), Unidentified Girl, Daguerreotype, 1/2 plate, hand-painted, George Eastman Museum, LL/57086

Victor Prevost, 1853 (ca), Unidentified city, Paris and view of Montmartre ?, Paper negative, George Eastman Museum, LL/75191

Carleton E. Watkins, 1865-1866 (taken) 1876 (ca, print), The Vernal and Nevada Falls from Glacier Point, Albumen print, George Eastman Museum, LL/74564

Hill & Adamson, 1845 (ca), Mirza Mohul Lal, Salted paper print, George Eastman Museum, LL/35641

Unidentified photographer, 1890 (ca), Autumn View of Maples, Oji, Tokio, Albumen print, George Eastman Museum, LL/75601

Southworth & Hawes, 1850 (ca), Unidentified Woman, Daguerreotype, whole plate, George Eastman Museum, LL/74637

Édouard Baldus, 1857 (ca), The Louvre, Albumen print, George Eastman Museum, LL/74854

James Robertson, 1854 (ca), Constantinople, Fountain of Sultan Selim, Salted paper print, George Eastman Museum, LL/70094

Jean-Baptiste Sabatier-Blot, 1850 (ca), The Photographer's Daughter and a Woman, Daguerreotype, George Eastman Museum, LL/39777

Alvin Langdon Coburn, 1905, Fifth Avenue from the St Regis, Photograph, George Eastman Museum, LL/56876

Helmar Lerski, 1928-1932, Pelzarbeiterin, Gelatin silver print, George Eastman Museum, LL/52867

Eastman Kodak Co., 1891 (ca), A snap shot with the Kodak from the train window., Advertisement, George Eastman Museum, LL/75607

William M. Vander Weyde (American, 1871(?)-1929), 1900 (ca), Elaine Golding, Swimmer, Negative, gelatin on glass, George Eastman Museum, LL/57204

Hill & Adamson, 1845 (ca), Master Miller, Salted paper print, George Eastman Museum, LL/35626

Hill & Adamson, 1845 (ca), David Roberts, R.A., Salted paper print, George Eastman Museum, LL/35627

John Shaw Smith, 1851-1852 (ca), Walls of the Dendera Temple, Calotype negative, George Eastman Museum, LL/69857

Unidentified photographer, 1915 (ca), Three men playing cards, Autochrome, George Eastman Museum, LL/123296

Francis Frith, 1857 (ca, taken) 1863 (ca, printed), The Bab El-Azab Citadel Gateway, Cairo, [Sinai, Palestine, The Nile], Albumen print, George Eastman Museum, LL/21192

Paul Nadar, 1886, The Art of Living a Hundred Years, Photogravure, George Eastman Museum, LL/33177

Oscar Gustave Rejlander, 1860 (ca), Homeless, Albumen print, George Eastman Museum, LL/37360

Edward Weston, 1933, Willow, Santa Cruz, Gelatin silver print, George Eastman Museum, LL/69935

Hill & Adamson, 1843-1847 (ca), Lady (Mary Campbell) Ruthven, Salted paper print, George Eastman Museum, LL/7431

George Robinson Fardon, 1855 (ca), View over Happy Valley., [San Francisco Album. Photographs of the Most Beautiful Views and Public Buildings of San Francisco], Salt paper print, albumenized, George Eastman Museum, LL/25576

William Henry Jackson, 1874 (taken) 1880 (ca, print), Ancient Cliff Dwellings, Canyon de Chelly, New Mexico, [Watkins New Series, Yosemite and Pacific Coast], Albumen print, George Eastman Museum, LL/74733

Félix Bonfils, 1861-1871, Baalbek. Chapel of Douris, Albumen print, George Eastman Museum, LL/57128

Nick Brandreth, 2015, A workshop student working on a negative during a George Eastman Museum Negative Retouching workshop, Colour photograph, George Eastman Museum, LL/64136

Peter Henry Emerson, 1886 (ca, taken) 1888 (ca, print), Colts on a Norfolk Marsh, Photogravure, George Eastman Museum, LL/74979

André Adolphe-Eugène Disdéri, 1865 (ca), Unidentified woman in dressing gown, Albumen print, George Eastman Museum, LL/74491

Julia Margaret Cameron, 1872, Study of a St. John the Baptist, Albumen print, George Eastman Museum, LL/74929

Unidentified photographer, 1856, 14 November, Rome, view of the Baths of Caracalla, Calotype negative, George Eastman Museum, LL/75224

James Anderson, 1870 (ca), Colonna Traiana, Albumen print, George Eastman Museum, LL/75724

NASA, 1972, 13 December, Schmitt with Flag and Earth Above, Color print, chromogenic development (Ektacolor) process, George Eastman Museum, LL/45433

William McFarlane Notman, 1887 (ca), Cree Indian. Calgary, Albumen print, George Eastman Museum, LL/74699

Eadweard Muybridge, 1872 (taken) 1874 (ca, print), The First Leap of the Yosemite, (low water)., [Valley of the Yosemite], Stereocard, George Eastman Museum, LL/75259

Lewis W. Hine, 1918, Capt. Hine, Official Photographer American Red Cross…Paris…1918, Negative, gelatin on glass, George Eastman Museum, LL/44609

Nancy Newhall, 1948, Hands, Anne and Ansel, Negative, gelatin on safety base sheet film, George Eastman Museum, LL/69886

Julia Margaret Cameron, 1864, Charles Cameron, Albumen silver print, George Eastman Museum, LL/69795

Franz Hanfstaengl, 1860 (ca), Carl August von Steinheil, Albumen print, George Eastman Museum, LL/74894

Francis Frith, 1857 (ca, taken) 1863 (ca, printed), View at Hebron, [Sinai, Palestine, The Nile], Albumen print, George Eastman Museum, LL/21230

Unidentified photographers, 1865 (ca), Full-length portraits and collages of French men and women, Albumen print, George Eastman Museum, LL/75717

William Sherlock, 1849, Four children, Salted paper print, George Eastman Museum, LL/69869

William Henry Jackson, 1872, Crater of the Castle Geyser, Albumen print, George Eastman Museum, LL/6419

Frederick H. Evans, 1886 (before), Diatom by spot lens, 50X, Albumen print, George Eastman Museum, LL/74838

John Dillwyn Llewelyn, 1852 (ca), Orangery Margam Castle, Salted paper print, George Eastman Museum, LL/75579

Robert Macpherson, 1858 (ca), Side view of the Temple dedicated to Antoninus and Faustina. Roman Forum, Albumen print, George Eastman Museum, LL/75375

Alvin Langdon Coburn, 1910, Station Roofs, Pittsburgh, Photograph, George Eastman Museum, LL/56877

John Benjamin Dancer, n.d., Portraits of the Presidents of the United States, from Washington to J. Buchanan, Microscope slide, George Eastman Museum, LL/94566

Unidentified photographer(s) / artist, 1875 (ca), Men and women in scene with cherubs, painter, and easel; possibly an imitation of a known painting, Albumen prints, and ink, George Eastman Museum, LL/75657

Ottomar Anschütz, 1889, Wild cat, possibly a lynx, Albumen print, George Eastman Museum, LL/75301

Louis-Camille d'Olivier, 1856, Composition avec nu, Salted paper print, George Eastman Museum, LL/75295

Hill & Adamson, 1843 (ca), Thomas Duncan, Salted paper print, George Eastman Museum, LL/74763

William Henry Jackson, 1881 (ca), "The Nose." Mohawk Valley. N.Y.C. R.R., [New York Central and Hudson River Railroad], Albumen print, George Eastman Museum, LL/75177

Hill & Adamson, 1845 (ca), Newhaven Fishwife, Salted paper print, George Eastman Museum, LL/35628

Unidentified photographer / artist, 1858 (ca), [Small white dog], Ambrotype, George Eastman Museum, LL/6801

Southworth & Hawes, 1850 (ca), Copy daguerreotype of Unidentified Child, Daguerreotype, 1/6 plate, George Eastman Museum, LL/69767

Francis Frith, 1857 (ca, taken) 1863 (ca, printed), Tiberias From the South, [Sinai, Palestine, The Nile], Albumen print, George Eastman Museum, LL/21252

Unidentified photographer, 1860 (ca), Deceased child framed by lace curtain, Tintype, 1/4 plate, George Eastman Museum, LL/75703

Carlo Naya, 1875 (ca), Venezia. Canal Grande, Albumen print, with applied color, George Eastman Museum, LL/75588

1907 (ca), Omnicolor screen, Colour image, George Eastman Museum, LL/65880

Louis Prélier, 1840 (ca), [School of Engineering and Mines], Daguerreotype, George Eastman Museum, LL/126604

Felice Beato, 1857-1858, The Baillie Guard Gateway and Banquetting Room, Albumen print, George Eastman Museum, LL/57137

Arthur Green, 1863, 12 August, John McIntosh Kell next to pivot cannon, Simon's Bay, South Africa, Albumen print, George Eastman Museum, LL/74609

Edward Weston, 1922, Neil, Platinum print, George Eastman Museum, LL/69911

Chusseau-Flaviens, 1900-1919 (ca), Espagne/Espagne Ecuries royales, Negative, gelatin on glass, George Eastman Museum, LL/35700

Francis Frith, 1857 (ca, taken) 1863 (ca, printed), Jerusalem From the Mount of Olives, [Sinai, Palestine, The Nile], Albumen print, George Eastman Museum, LL/21239

Frederick Scott Archer, 1856 (ca), Sparrow's House, Ipswich, Suffolk, Albumen print, George Eastman Museum, LL/74701

Peter Henry Emerson, 1886 (ca, taken) 1888 (ca, print), Eel-Picking in Suffolk Waters, Photogravure, George Eastman Museum, LL/74978

Count Camille Bernard Baillieu d'Avrincourt, 1855 (ca), Spiral staircase, Château de Chambord, Salted paper print, George Eastman Museum, LL/99896

Chusseau-Flaviens, 1900-1919 (ca), Roumanie Pcesse Marie, Negative, gelatin on glass, George Eastman Museum, LL/35675

Olympe Aguado, 1854 (ca), [Man wearing cape and crown], Salted paper print, George Eastman Museum, LL/74436

James Anderson, 1870 (ca), Roma - Terme di Caracalla, Albumen print, George Eastman Museum, LL/75747

George Robinson Fardon, 1855 (ca), Unidentified view, [San Francisco Album. Photographs of the Most Beautiful Views and Public Buildings of San Francisco], Salt paper print, albumenized, George Eastman Museum, LL/25593

Ottomar Anschütz, 1886, Wolf sniffing around goat tied up to post, Albumen print, George Eastman Museum, LL/75314

Edward Weston, 1945, Tide Pool, Point Lobos, Gelatin silver print, George Eastman Museum, LL/69926

Samuel Bourne, 1865 (ca), Kashmir - Cascades on Scinde River, Albumen print, George Eastman Museum, LL/75340

John Shaw Smith, 1850-1851 (ca), Temple of Antoninus and Faustina, Calotype negative, George Eastman Museum, LL/69840

Joseph Cundall, 1856, June, Highlanders, [Crimean Heroes (?)], Albumen print, George Eastman Museum, LL/74903

Unidentified photographer(s), 1855 (ca), Multiple portraits, woman, man, young woman, boy & girl, Daguerreotypes (4), 1/2 plate, George Eastman Museum, LL/74684

Southworth & Hawes, 1848 (ca), Tomb of Robert Gould Shaw, Daguerreotype, whole plate, George Eastman Museum, LL/69753

Francis Frith, 1857 (ca, taken) 1863 (ca, printed), Cairo- From the East, [Sinai, Palestine, The Nile], Albumen print, George Eastman Museum, LL/21187

Chusseau-Flaviens, 1900-1919 (ca), Russie, Negative, gelatin on glass, George Eastman Museum, LL/35714

Oscar Gustave Rejlander, 1857, 22 March, Study of a Head, Salted paper print, George Eastman Museum, LL/74904

Nancy Newhall, 1950 (ca), Beaumont Newhall washing his face, Negative, gelatin on safety base roll film, George Eastman Museum, LL/69878

Unidentified photographer (French), 1915 (ca), [Headless Cavalry Soldier Charging with Sword Drawn], Gelatin silver print, with applied color, George Eastman Museum, LL/54299

Eugène Atget, 1912, April, L'Eclipse, avril 1912, Albumen print, George Eastman Museum, LL/45516

Unidentified photographer, 1892, Varnishing Day / Wassonier Salon, Cyanotype, George Eastman Museum, LL/74439

Nickolas Muray, 1927, Hubert Julian Stowitts, George Eastman Museum, LL/30810

Frank Good, 1870 (ca), Egypt - Abydus - Specimen of the Sculptures from the Hall of the Great Temple Abydus, [Good's Eastern Series], Stereocard, George Eastman Museum, LL/75356

James Anderson, 1870 (ca), S. Maria Maggiore, Albumen print, George Eastman Museum, LL/75727

Louis-Camille d'Olivier, 1853-1856, Composition avec nu, Salted paper print, George Eastman Museum, LL/57176

Alexander Gardner, 1865, George B. Atzerodt (One of the Lincoln Assassination Conspirators), [The Lincoln Conspiracy Album], Albumen print, George Eastman Museum, LL/6414

Oscar Gustave Rejlander, 1860 (ca), Photomontage of man with vest and St. Peter's Basilica, Albumen print, George Eastman Museum, LL/6987

Nancy Newhall, 1949, January, Eastman House lawn in snow, Negative, gelatin on safety base sheet film, George Eastman Museum, LL/69888

Gustave Le Gray, 1857 (ca), The Great Wave, Sète, Albumen silver print, George Eastman Museum, LL/70005

Chusseau-Flaviens, 1900-1919 (ca), Bulgarie cliche Karatoyanoff/(Crossed out:Cliche)) Chusseau Flaviens, Negative, gelatin on glass, George Eastman Museum, LL/35692

John Shaw Smith, 1852, 13 January, Portico of the Temple of Edfu, Calotype negative, George Eastman Museum, LL/69854

Julia Margaret Cameron, 1864, Annie Philpott, Albumen print, George Eastman Museum, LL/75444

Julia Margaret Cameron, 1867, Rosalba, Albumen print, George Eastman Museum, LL/74928

Édouard Baldus, 1855 (ca), Louvre, Cour Interieure, Heliogravure print, George Eastman Museum, LL/74860

Unidentified photographer, 1860 (ca), Girl, Albumen print, with applied paint, George Eastman Museum, LL/74417

John C. Browne (American, 1838-1918), 1866 (ca, taken) 1975 (ca, print), A Children's Play (Bluebeard's Wives), Modern gelatin silver print from the original collodion negative, George Eastman Museum, LL/54452

Eadweard Muybridge, 1868 (ca), Yo-sem-i-te California, Albumen print, George Eastman Museum, LL/75769

Joseph Cundall, 1855, Construction of the Great Eastern, Albumen print, George Eastman Museum, LL/74999

Désiré Charnay, 1859, Maison du Curé, à Mitla; Extérieur, Albumen print, George Eastman Museum, LL/74834

Mathew B. Brady, 1863 (ca), Professor Lowe Observing the Battle of Fair Oaks, Va., from his Balloon, Stereocard, George Eastman Museum, LL/75346

Morrall (artist), n.d., Colored portrait of George Eastman, Oil painting, George Eastman Museum, LL/69988

Edward Weston, 1925, Juguetes mexicanos, Gelatin silver print, George Eastman Museum, LL/69914

John Shaw Smith, 1850 (ca), Fountain in Place de la Concorde, Calotype negative, George Eastman Museum, LL/75561

William Henry Jackson, 1874, Three Very Good Friends, Albumen print, George Eastman Museum, LL/74850

Adolphe Braun, 1857 (ca), Floral Still Life, Albumen print, George Eastman Museum, LL/74711

Gustavus Fagersteen, 1875 (ca), Yosemite Valley, Albumen print, George Eastman Museum, LL/75781

Eadweard Muybridge, 1870 (ca), Valley of the Yosemite. From Union Point, Albumen print, George Eastman Museum, LL/75435

John Murray, 1856 (ca), Gateway of Moti Musjid, Paper negative, George Eastman Museum, LL/70011

Chusseau-Flaviens, 1900-1919 (ca), Egypte Types/Egypte types/(2 images/plate), Negative, gelatin on glass, George Eastman Museum, LL/35702

W. & F. Langenheim, 1845 (ca), Young man wearing top hat, Daguerreotype, 1/6 plate, George Eastman Museum, LL/74551

Unidentified photographer, 1850 (ca), Image of a jigsaw, Daguerreotype, 1/4 plate, George Eastman Museum, LL/45425

Eugène Atget, 1904, Versailles - L'Ariane couchee dite Cleopatre par Van Cleve, Albumen print, George Eastman Museum, LL/45483

Alvin Langdon Coburn, 1911, The Temple of Ohm (Grand Canyon), Gelatin silver print, George Eastman Museum, LL/33186

Carlo Naya, 1875 (ca), Venezia. Ponte Di Rialto, Albumen print, with applied color, George Eastman Museum, LL/75567

Hill & Adamson, 1845 (ca), Miss Wilson and the Watson and Milne women, Salted paper print, George Eastman Museum, LL/35614

Joseph Cundall, 1855, 20 July, Construction of the Great Eastern, Albumen print, George Eastman Museum, LL/75002

William Sherlock, 1843, Diogenes' Lantern, Salted paper print, George Eastman Museum, LL/69874

Robert Macpherson, 1858 (ca), Phoca's Column, excavated to the base, Albumen print, George Eastman Museum, LL/75374

Peter Henry Emerson, 1886 (ca, taken) 1888 (ca, print), Leafless March, Photogravure, George Eastman Museum, LL/74977

Warren Thompson, 1855 (ca), [Self-portrait as hunter], Daguerreotype, stereo, George Eastman Museum, LL/121320

L. Wright, 1853, 12 August, Train wreck on the Providence Worcester Railroad near Pawtucket, Rhode Island, Daguerreotype, George Eastman Museum, LL/89830

Édouard Baldus, 1861 (ca), Marseille, [Chemins de fer de Paris a Lyon et a la Mediterannee], Albumen print, George Eastman Museum, LL/75461

Thomas Houseworth, 1875 (ca), Hutchings Cottage. Yosemite Valley, Albumen print, George Eastman Museum, LL/74984

Édouard Baldus, 1855 (ca), Place de la Concorde, Heliogravure print, George Eastman Museum, LL/74858

Alvin Langdon Coburn, 1917, Vortograph, Gelatin silver print, George Eastman Museum, LL/69803

Marcus Aurelius Root, 1855, Mrs. Marcus Aurelius Root, Daguerreotype, 1/4 plate, George Eastman Museum, LL/74485

Frank Rinehart, 1898, Hattie Tom - Chiricahua Apache, Platinum print, George Eastman Museum, LL/74479

Alfred Stieglitz, 1931, New York, from My Window at the Shelton, West, Gelatin silver print, George Eastman Museum, LL/33216

Chusseau-Flaviens, 1900-1919 (ca), Chine/Chanteuse chinoise, Negative, gelatin on glass, George Eastman Museum, LL/35717

James Anderson, 1870 (ca), Museo Vaticano, Augusto, Albumen print, George Eastman Museum, LL/75748

Alexander Gardner, 1865, Man arrested on suspicion of being one of the Lincoln Assassination conspirators. Name not disclosed. [Identified as Joao M. Celestino], Albumen print, on album page, George Eastman Museum, LL/52662

Eugène Atget, 1911, Pont du Louvre (1e arr), Albumen print, George Eastman Museum, LL/45486

George Robinson Fardon, 1855 (ca), View of the City from Stockton street, containing the portions between Washington and Sacramento streets., [San Francisco Album. Photographs of the Most Beautiful Views and Public Buildings of San Francisco], Salt paper print, albumenized, George Eastman Museum, LL/25567

Oscar Gustave Rejlander, 1860 (ca), Child lost in thought, Albumen print, George Eastman Museum, LL/75170

Édouard Baldus, 1861 (ca), Vaucluse. [Fontaine de Vaucluse, from surrounding hills], [Chemins de fer de Paris a Lyon et a la Mediterannee], Albumen print, George Eastman Museum, LL/75455

Unidentified photographer, 1845 (ca), Maungwudaus (Chief of the Ojebway Tribe), Daguerreotype, 1/4 plate, applied color, George Eastman Museum, LL/33078

Unidentified photographer(s) / artist, 1867, Mrs. Musgrave, Victor Drummond, Lady Nora Boyle, Sir Gerald Coddington, Albumen silver prints and watercolor, George Eastman Museum, LL/74871

Francis Frith, 1875 (ca), Simla, Albumen print, George Eastman Museum, LL/75672

Julia Margaret Cameron, 1875, December - 1879, January, Sinhalese woman, Albumen print, George Eastman Museum, LL/74465

Eadweard Muybridge, 1872, The High Sierra. Valley of the Yosemite. From Glacier Point, Albumen silver print, George Eastman Museum, LL/69958

James Robertson, 1854 (ca), Olympian Zeus Temple and Acropolis, Athens, Salted paper print, George Eastman Museum, LL/75397

Francis Frith, 1857 (ca, taken) 1863 (ca, printed), Samson's Gate Gaza, [Sinai, Palestine, The Nile], Albumen print, George Eastman Museum, LL/21233

Unidentified photographer, 1855 (ca), Pont de Manille (Iles Philippines), Executé par Mr. Fs. Gabaud, Ingr civil., Daguerreotype, George Eastman Museum, LL/74431

Eadweard Muybridge, 1868 (ca), Yo-sem-i-te California, Albumen print, George Eastman Museum, LL/75772

Eugène Atget, 1913, Porte D'Asnieres - cite Trebert, Albumen print, George Eastman Museum, LL/45512

Lewis W. Hine, 1903-1938 (ca), Portrait of Lewis Hine, Negative, gelatin on diacetate film, George Eastman Museum, LL/44606

Eadweard Muybridge, 1873 (taken) 1874 (ca, print), The Lava Beds, [The Modoc War], Stereocard, George Eastman Museum, LL/75258

John Shaw Smith, 1852, July, Pyramid of Cephrenes, Calotype negative, George Eastman Museum, LL/69865

Francis Frith, 1875 (ca), Gateway of Ala-Ud-Din, Delhi, Albumen print, George Eastman Museum, LL/75671

Richou, 1845 (ca), Portrait of a man, said to be the photographer E. Thiésson, Daguerreotype, George Eastman Museum, LL/69905

Catharine Weed Barnes, 1891-1912 (ca), Fox Talbot's Cameras Lacock Abbey, Negative, gatin on glass, George Eastman Museum, LL/57191

Oscar Gustave Rejlander, 1886, Putto as Allegory of Painting, Albumen print, George Eastman Museum, LL/74739

Eadweard Muybridge, 1868 (ca), Yo-sem-i-te California, Albumen print, George Eastman Museum, LL/75777

Frank I. Stofflet, 1892, Certificate of Marriage between George M. Sipley and Evelyn B. Walton, Albumen prints, George Eastman Museum, LL/74562

Count Camille Bernard Baillieu d'Avrincourt, 1855 (ca), Château de Chambord, Salted paper print, George Eastman Museum, LL/99894

Edward Weston, 1920 (ca), Neil, Brett and Chandler Weston, Gelatin silver print, George Eastman Museum, LL/69908

Unidentified photographer (French), 1850 (ca), Leather wallet with oval image of girl seated next to table, Daguerreotype, with applied colour, George Eastman Museum, LL/74423

Alvin Langdon Coburn, 1917, Vortograph, Gelatin silver print, George Eastman Museum, LL/57203

Unidentified photographer, 1865 (ca), Lewis Carroll, Carte de visite, George Eastman Museum, LL/74443

Timothy H. O'Sullivan, 1867, Limestones in Wright's Canon, West Humboldt Mountains, Albumen print, George Eastman Museum, LL/75142

Gertrude Käsebier, 1900 (ca), Frederick H. Evans, Platinum print, George Eastman Museum, LL/54447

Unidentified photographer(s) / artist, 1875 (ca), People in fantastic exterior scene, Albumen silver prints and ink, George Eastman Museum, LL/74876

Barnard & Gibson, 1864 (June), Fort Richardson, at Quarles House, Near Fair Oaks, Albumen print, George Eastman Museum, LL/57169

Wood & Gibson, 1862, May, Inspection of Troops at Cumberland Landing, Pamunkey, Virginia, Albumen print, George Eastman Museum, LL/74914

Victor Keppler, 1951, Camel cigarette advertisement - woman in convertible, Color print, assembly (Carbro) process, George Eastman Museum, LL/6999

James Anderson, 1875 (ca), Graves of Keats and his friend Severn in the Protestant Cemetery, Rome, Albumen print, George Eastman Museum, LL/74887

George Fiske, 1884 (ca), Yosemite Falls and Indian Canyon, Albumen print, George Eastman Museum, LL/75809

James Robertson, 1854 (ca), Galata Tower, Constantinople, Salted paper print, George Eastman Museum, LL/70096

Southworth & Hawes, 1855 (ca), Marion Augusta Hawes, Daguerreotype, 1/6 plate, George Eastman Museum, LL/74872

Frederick H. Evans, 1914 (album), Photomicrograph, Photomicrograph, on album page, George Eastman Museum, LL/36556

Count Camille Bernard Baillieu d'Avrincourt, 1855 (ca), Pavillon de l'Horloge of the Louvre, Paris, Salted paper print, George Eastman Museum, LL/99898

Unidentified photographer / artist, 1865 (ca), Spirit Photograph [Woman's spirit behind table with photograph], Albumen print carte de visite, George Eastman Museum, LL/6918

Carlo Naya, 1875 (ca), Venezia. Isolas S. Giorgio, Albumen print, with applied color, George Eastman Museum, LL/75564

Edward Weston, 1923, Bomba en Tacubaya, Platinum print, George Eastman Museum, LL/69910