Unidentified photographer / artist, 1850, Camera, Book illustration, Google Books, LL/55604

1850, Sheet music for Fuller's Daguerreotype Polka as played by the Druid Band. Composed and arranged for the Piano Forte by Sebastian Muller and respectfully dedicated to the patrons and visitors of Fuller's Daguerreotype Gallery., Sheet music, Private collection of Hans Gummersbach, LL/118104

1850, Hallmark on Daguerreotype plate, Daguerreotype, hallmark, Museum Enschedé, LL/52965

1850, Hallmark on Daguerreotype plate, Daguerreotype, hallmark, Universiteit Leiden, Prentenkabinet, LL/52973

1850, Fuller's Daguerreotype Polka" as played by the Druid Band. Composed and arranged for the Piano Forte by Sebastian Muller and respectfully dedicated to the patrons and visitors of Fuller's Daguerreotype Gallery., Sheet music, adjusted, Internet - Original source ill-defined, LL/60573

1850, Cost of daguerreotype plates, Book page, Google Books, LL/49722

1850, Hallmark on Daguerreotype plate, Daguerreotype, hallmark, Museum Enschedé, LL/52964

Fredricks & Weeks, 1850, Architectural study of Recife, northern Brazil, Daguerreotype, CCA: Canadian Centre for Architecture, LL/64466

Jacquart & Deramond, 1850, Kitembo, dit Jean Bazar, Mu-Ngindo, Daguerreotype, Musée de l'Homme, LL/62095

Jacquart & Deramond, 1850, Kitembo, dit Jean Bazar, Mu-Ngindo, Daguerreotype, Musée de l'Homme, LL/62098

Jacquart & Deramond, 1850, Kitembo, dit Jean Bazar, Mu-Ngindo, Daguerreotype, Musée de l'Homme, LL/62097

Jacquart & Deramond, 1850, Baramiza (Laurent), Mu-Dhiaoa, Daguerreotype, Musée de l'Homme, LL/62096

Robertson, J. & Beato, F., 1850, Figures at the Fountain of Sultan Ahmet III, Istanbul 1850s, Albumen print, National Galleries of Scotland, LL/6824

Southworth & Hawes, 1850, Untitled (Rev. Daniel Sharp, Congregationalist Preacher), Daguerreotype, Art Institute of Chicago, LL/114519

Southworth & Hawes, 1850, Untitled (Mt. Auburn Cemetery, Cambridge, MA), Daguerreotype, Art Institute of Chicago, LL/114529

Southworth & Hawes, 1850, Untitled (Boston Customs House), Daguerreotype, Art Institute of Chicago, LL/114502

Southworth & Hawes, 1850, Untitled (Portrait of a Standing Woman), Daguerreotype, Art Institute of Chicago, LL/114503

Southworth & Hawes, 1850, Untitled (Portrait of a Woman), Daguerreotype, Art Institute of Chicago, LL/114504

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

Southworth & Hawes, 1850, [Unidentified Couple], Daguerreotype, full plate, with applied color, George Eastman Museum, LL/6403

Southworth & Hawes, 1850, US General John E. Wool, USA, Daguerreotype, Museum Ludwig, LL/35002

Alois Löcherer, 1850, Transporting the Bavaria Statue to Theresienwiese [Die Bearbeitung der BAVARIA nach dem Guss, München], Salt print, from calotype negative, Museum Ludwig, LL/7714

Alois Löcherer, 1850, In the yard of the iron foundry of Ferdinand von Miller (Im Hof der Erzgießerei von Ferdinand von Miller), Photograph, Creative Commons - Wikipedia, LL/85107

Alois Löcherer, 1850, Head of "Bavaria" statue, Photograph, Internet - Original source ill-defined, LL/85108

Alois Löcherer, 1850, Self portrait of Alois Löcherer, Photograph, Albertina, LL/85109

Alois Löcherer, 1850, Breastpiece of Bavaria in the courtyard of the Royal Ore Foundry, Munich, Salt print, Munchner Stadtmuseum, LL/102632

Alois Löcherer, 1850, The transport of Bavaria's head from the ore foundry to Theresienhügel, Calotype, salt paper deduction from paper negative, Munchner Stadtmuseum, LL/102631

Jean-Baptiste-Louis Gros, 1850, Athènes: l'Acropole, les Propylées et la Tour des Vénitiens, Daguerreotype, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, LL/67072

Jean-Baptiste-Louis Gros, 1850, Déesse de la Victoire rattachant sa sandale dans le temple de la Victoire Aptère à Athènes, Daguerreotype, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, LL/67073

Jean-Baptiste-Louis Gros, 1850, Athènes, Parthénon, détail de la frise des Panathénées, côté nord, Daguerreotype, Musée d'Orsay, LL/42622

C. Lacroix, 1850, Portrait of a lady [On the plate it is dated 1850 and credited to "C. Lacroix, Cuba"], Daguerreotype, detail, The Jeffrey Kraus Collection, LL/93899

C. Lacroix, 1850, Portrait of a lady [On the plate it is dated 1850 and credited to "C. Lacroix, Cuba"], Daguerreotype, The Jeffrey Kraus Collection, LL/93897

C. Lacroix, 1850, Portrait of a lady [On the plate it is dated 1850 and credited to "C. Lacroix, Cuba"], Daguerreotype, The Jeffrey Kraus Collection, LL/93898

Camille Bernabé, 1850, Alpes bernoises, Escherhorn, glacier de l'Aar (Suisse), Daguerreotype, Musée des arts et métiers, LL/120986

Carl Andreas August Goos (painter, 1797-1855), 1850, Portrait of Luise Wille [detail of hands holding the daguerreotype, rotated and adjusted to highlight the plate], Painting, Relatives of Luise Wille, LL/126786

Carl Andreas August Goos (painter, 1797-1855), 1850, Portrait of Luise Wille [detail of hands holding the daguerreotype], Painting, Relatives of Luise Wille, LL/126785

Carl Andreas August Goos (painter, 1797-1855), 1850, Portrait of Luise Wille [detail with signature and date], Painting, Relatives of Luise Wille, LL/126784

Carl Andreas August Goos (painter, 1797-1855), 1850, Portrait of Luise Wille, Painting, Relatives of Luise Wille, LL/126783

Carl Andreas August Goos (painter, 1797-1855), 1850, Portrait of Luise Wille [detail], Painting, detail, Relatives of Luise Wille, LL/126700

Carl Andreas August Goos (painter, 1797-1855), 1850, Portrait of Luise Wille, Painting, Relatives of Luise Wille, LL/126699

Charles Nègre, 1850, Étude de nu, Simulation numérique de tirage positif d’après calotype, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, LL/67054

Chase, 1850, "Soo-Chune" aka "Le-Kaw-Hing," frontal, Daguerreotype, Peabody Museum of Archaeology and Ethnology, LL/53081

Chase, 1850, "Pwan Ye-Koo," frontal, Daguerreotype, Peabody Museum of Archaeology and Ethnology, LL/53082

Chase, 1850, "Aleet-Mong" aka "T'sow-Chaoong", Daguerreotype, Peabody Museum of Archaeology and Ethnology, LL/53066

Chase, 1850, "Soo-Chune" aka "Le-Kaw-Hing," profile, Daguerreotype, Peabody Museum of Archaeology and Ethnology, LL/53080

Comte Frédéric Flachéron, 1850, L' Arc des Argentiers, Salted paper print, from a paper negative, Archive Farms, LL/120522

Comte Frédéric Flachéron, 1850, Roma. Foro, veduta verso il Campidoglio con il campo vaccino, Salt print paper negative, Private collection of Marco C. Antonetto, LL/27918

Comte Frédéric Flachéron, 1850, Rome, Temple of the Fortuna Virile (Virile fortune), Salt print, from calotype, Private collection of Marco C. Antonetto, LL/26610

Comte Frédéric Flachéron, 1850, Goldsmith's Arch, Rome, Salted paper print, from paper negative, Cleveland Museum of Art, LL/70221

Comte Frédéric Flachéron, 1850, Pont ? Rome, Calotype, Spencer Museum of Art, The University of Kansas, LL/57951

Comte Frédéric Flachéron, 1850, Arc de Constantin, Rome, Salt paper print, paper negative, Studios Robespierre, Serge Plantureux, LL/19587

David Brokaw (artist, American, 1812-1878), 1850, Oberlin College Graduates, including Lucy Stanton Day Sessions, Daguerreotype, National Gallery of Art, LL/128254

Delemotte or Jean-Baptiste Alary, 1850, Le Port d'Alger, vu du terrain de manœuvres, Daguerreotype, 1/2 plate, Baron Ribeyre & Associes, LL/70475

Derussy, 1850, [Portrait de jeune fille, en pied, assise, à la droite d'une balustrade et d'une draperie], Daguerreotype, framed, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, LL/101368

Dmitri Constantine, 1850, Acropole, Athènes, Grèce, Albumen print, Millon et Associes, LL/78300

Édouard Baldus, 1850, Statue of Lafontaine, Etching, Archive Farms, LL/128523

Eduard Isaac Asser, 1850, Group portrait of members of the Asser family and acquaintances, Daguerreotype, Rijksmuseum, LL/76973

Ezra Greenleaf Weld, 1850, Frederick Douglass at Fugitive Slave Law Convention, Cazenovia, New York, Daguerreotype, National Portrait Gallery, Smithsonian Institution, LL/68725

Ezra Greenleaf Weld, 1850, Fugitive Slave Law Convention, Cazenovia, New York, Daguerreotype, 1/2 plate, Madison County Historical Society, LL/68727

G. Schmidt, 1850, Nuremberg castle, Salt print, Bassenge Photography Auctions, LL/123966

G. Schmidt, 1850, Southern access to Nuremberg castle., Salt print, Bassenge Photography Auctions, LL/123967

G.H. Jones [?], 1850, [Sam: portrait of Samuel Clemens as a youth holding a printer's composing stick with letters SAM.], Daguerreotype, Bancroft Library, University of California Berkeley, LL/115945

G.H. Jones [?], 1850, [Sam: portrait of Samuel Clemens as a youth holding a printer's composing stick with letters SAM.], Daguerreotype, Bancroft Library, University of California Berkeley, LL/115946

Giacomo Caneva, 1850, La spidocchiatrice, Salt print, Alinari Photo Archives, LL/62501

Henri Le Secq, 1850, Rocks at the Vogue at Montmirail, Salt print, Nelson-Atkins Museum of Art, LL/81657

Hippolyte Bayard, 1850, South side of the cathedral Notre-Dame de Paris during restoration works (Face sud de la cathédrale Notre-Dame de Paris pendant les travaux de restauration), Photograph, Musée d'Orsay, LL/90797

J.T. Zealy, 1850, Fassena, frontal, Daguerreotype, Peabody Museum of Archaeology and Ethnology, LL/106125

J.T. Zealy, 1850, Jack, profile, Daguerreotype, Peabody Museum of Archaeology and Ethnology, LL/106119

J.T. Zealy, 1850, Jack, profile, Daguerreotype, Peabody Museum of Archaeology and Ethnology, LL/106120

J.T. Zealy, 1850, Fassena, frontal, Daguerreotype, Peabody Museum of Archaeology and Ethnology, LL/106126

J.T. Zealy, 1850, Fassena, profile, Daguerreotype, Peabody Museum of Archaeology and Ethnology, LL/106124

J.T. Zealy, 1850, Fassena, profile, Daguerreotype, Peabody Museum of Archaeology and Ethnology, LL/106123

J.T. Zealy, 1850, Jack, frontal, Daguerreotype, Peabody Museum of Archaeology and Ethnology, LL/106121

J.T. Zealy, 1850, Jack, frontal, Daguerreotype, Peabody Museum of Archaeology and Ethnology, LL/106122

Jacques Moulin, 1850, Two naked women (Zwei Frauenakte), Daguerreotype, Albertina, LL/63976

Jean-Gabriel Eynard, 1850, Self-Portrait, Daguerreotype, 1/4 plate, J. Paul Getty Museum, LL/7496

Jean-Gabriel Eynard, 1850, Scene at Beaulieu, Daguerreotype, 1/2 plate, J. Paul Getty Museum, LL/50647

John Leech (artist), 1850, The Too Faithful Portrait., Magazine illustration, Internet - Original source ill-defined, LL/65182

John Tallis (publisher), 1850, South America, Map, Creative Commons - Wikipedia, LL/46329

John William Draper, 1850, Photomicrograph of a Fly's Proboscis, Daguerreotype, National Museum of American History, Smithsonian Institution, LL/36183

Lorichon i Martinez, 1850, [Portrait of a woman with two girls], Daguerreotype, framed, mNACTEC - Museu de la Cičncia i de la Tčcnica de Catalunya, LL/66842

Louis Jules Duboscq, 1850, [Nu féminin agenouillé], Daguerreotype, stereo, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, LL/101394

Louis Auguste Bisson, 1850, Bull, Aurillac, Daguerreotype, Gérard Lévy Collection, LL/39779

Mathew B. Brady, 1850, James Fenimore Cooper, Daguerreotype, Fenimore Art Museum, LL/112680

Maxime Du Camp, 1850, Temple de Tafah. Pl. 88 ([Égypte] Nubie), Salt print, from paper negative, Imprimerie Photographique de Blanquart-Evrard, à Lille. Gide et Baudry, Editeurs, Gros & Delettrez, LL/62988

Maxime Du Camp, 1850, Hémi-spéos de Séboua. Pylones (Nubie), Salt print, from paper negative, Imprimerie Photographique de Blanquart-Evrard, à Lille. Gide et Baudry, Editeurs, Gros & Delettrez, LL/62987

Maxime Du Camp, 1850, Philoe, plate 69, Salt print, Blanquart-Evrard process, Bassenge Photography Auctions, LL/59747

Maxime Du Camp, 1850, Philoe, plate 71, Salt print, Blanquart-Evrard process, Bassenge Photography Auctions, LL/59746

Maxime Du Camp, 1850, Médinet Habou. Façade orientale du Gynécée de Ramsès Méiamoun, Thebes, Salt paper print, from paper negative, Imprimerie Photographique de Blanquart- Evrard, Gros & Delettrez, LL/57237

Maxime Du Camp, 1850, Gournah. Sculptures du Trône des Colosses, Thebes, Salt paper print, from paper negative, Imprimerie Photographique de Blanquart- Evrard, Gros & Delettrez, LL/57236

Maxime Du Camp, 1850, Palmiers Doums, Haute Egypte, Salt paper print, from paper negative, Imprimerie Photographique de Blanquart- Evrard, Gros & Delettrez, LL/57235

Maxime Du Camp, 1850, Palais de Karnak, Thebes, Salt paper print, from paper negative, Imprimerie Photographique de Blanquart- Evrard, Gros & Delettrez, LL/57234

Maxime Du Camp, 1850, Palais du Karnak, no. 34, Salt print, Private collection of Jeff Nolte, LL/128088

Maxime Du Camp, 1850, Grand temple d'Isis, muraille occidentale ([Égypte] Nubie), Salt print, from paper negative, Imprimerie Photographique de Blanquart-Evrard, à Lille. Gide et Baudry, Editeurs, Gros & Delettrez, LL/62989

Maxime Du Camp, 1850, Nubie Village Et Temple de L'ile de Beghe, [Egypte, Nubie, Palestine & Syrie], Blanquart-Evrard print, from a paper negative, Archive Farms, LL/90735

Maxime Du Camp, 1850, Tombeau de Sidi-Ambarek, à Garara, Salted paper print, from paper negative, Metropolitan Museum of Art, LL/69355

Maxime Du Camp, 1850, Vue prise à Béni-Souef, Salted paper print, from paper negative, Metropolitan Museum of Art, LL/69356

Maxime Du Camp, 1850, Nubie. Ibsamboul. Entrée du Spéos d'Hathor, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69384

Maxime Du Camp, 1850, Village et Temple de l'Ile de Béghée, Nubie, Salt print, on original mount with engraved title and credit, Dreweatts & Bloomsbury (Bloomsbury), LL/69537

Maxime Du Camp, 1850, Mosquee Et Tombeau De Mourad Bey, Blanquart-Evrard print, from a paper negative, Archive Farms, LL/71004

Maxime Du Camp, 1850, Porte D'Oree, Jerusalem, Blanquart-Evrard print, from a paper negative, Archive Farms, LL/71005

Maxime Du Camp, 1850, Syrie. Baalbek. Hémicycle de l'enceinte des temples du Soleil et de Jupiter, [Egypte, Nubie, Palestine et Syrie, tome II, pl. 120], Papier salé d'après négatif papier, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, LL/7809

Maxime Du Camp, 1850, Western Giant of the Speos of Phre, Salt print, Nelson-Atkins Museum of Art, LL/81733

Maxime Du Camp, 1850, Nubie. Ibsamboul. Colosse médial, [Egypte, Nubie, Palestine et Syrie, tome II, pl. 106], Papier salé d'après négatif papier, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, LL/7833

Maxime Du Camp, 1850, Kalabscheh. Ptolémée Caesarion, [Egypte, Nubie, Palestine et Syrie, pl. 91], Papier salé d'après négatif papier, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, LL/7841

Maxime Du Camp, 1850, Louqsor. Grande colonnade du Palais, [Egypte, Nubie, Palestine et Syrie, pl. 25], Papier salé d'après négatif papier, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, LL/7846

Maxime Du Camp, 1850, Thèbes. Gournah, Colosse Monolithe d' Amenopht III, Salt print, Blanquart-Evrard process, Bassenge Photography Auctions, LL/51872

Maxime Du Camp, 1850, View of the Second Cataract of the Nile, pl. 112, Salt print, paper negative, Lee Gallery, LL/12947

Maxime Du Camp, 1850, Temple, Medinet-Habu, pl. 47, Salt print, paper negative, Lee Gallery, LL/12948

Maxime Du Camp, 1850, Ibsamboul: Entree du Speos D'Hathor, pl. 109, Salt print, paper negative, Lee Gallery, LL/13376

Maxime Du Camp, 1850, Syrie, Baalbek Colonnade du Temple du Soleil, Blanquart-Evrard print, from a paper negative, Archive Farms, LL/129453

Maxime Du Camp, 1850, Palais du Karnak, no. 33, Salt print, Private collection of Jeff Nolte, LL/128087

Maxime Du Camp, 1850, Court of Bubastis, Palace of Karnak, Thebes, Salted paper print, Princeton University Art Museum, LL/44589

Maxime Du Camp, 1850, View of Second Cataract the Nile, Salt print, paper negative, Lee Gallery, LL/12663

Maxime Du Camp, 1850, Porte D'Oree, Jerusalem, Salt print, paper negative, Lee Gallery, LL/12662

Maxime Du Camp, 1850, Westernmost Colossus of the Temple of Re, Abu Simbel, Salted paper print, from paper negative, Metropolitan Museum of Art, LL/40315

Maxime Du Camp, 1850, Palais de Karnak. Piliers devant le sanctuaire de granit, Salt print, from paper negative, on original board (no 38), Galerie Daniel Blau, LL/28999

Maxime Du Camp, 1850, Colosses du Ramesséum [Portique et Colosse brisé du Rhamesseum, à Chébea (Tombeau d'Osymandiad) - Portico and Fallen Colossus of the Ramesseum, Tomb of Ozymandias (Ramesses the Great), Thebes], [Egypte, Nubie, Syrie: Paysages et Monuments], Salted paper print, from paper negative, Metropolitan Museum of Art, LL/40397

Maxime Du Camp, 1850, Nubie. Kalabscheh. Porte du Pronaos, Salt print, from paper negative, Blanquart-Evrard process, Bassenge Photography Auctions, LL/43701

Maxime Du Camp, 1850, Nubie. Philoe. Vue générale prise a l'ouest, Salt print, from paper negative, Blanquart-Evrard process, Bassenge Photography Auctions, LL/43700

Maxime Du Camp, 1850, Southern Portion of the Rock-cut Temple of Hathor, Abu Simbel, Salted paper print from calotype negative, Blanquart-Evrard process, Cleveland Museum of Art, LL/40859

Maxime Du Camp, 1850, Abu Simbel, Salt print, paper negative, Lee Gallery, LL/13377

Maxime Du Camp, 1850, First Cataract of the Nile, Salt print, waxed paper negative, Charles Isaacs Photographs, Inc, LL/4154

, 1850, Porte D'Oree, Jerusalem, Calotype, Lee Gallery, LL/3195

, 1850, View of Second Cataract the Nile, Salt print, paper negative, Lee Gallery, LL/3194

Roger Fenton, 1850, Beehives, Burnham Beeches, Photogravure, Museum of Fine Arts, Boston, LL/46601

T.R. Williams, 1850, Untitled (Portrait of a Woman Sewing), Daguerreotype, Art Institute of Chicago, LL/114512

Thomas Easterly, 1850, Chouteau's Pond, View South from 8th and Clark Streets, Daguerreotype, Missouri Historical Society, LL/36395

Thos Rodger, 1850, Mr James Valentine, Salted paper print, St. Andrews University Library, Special Collections / The Photographic Collection, LL/53933

Unidentified Daguerreotypist, 1850, An outdoor scene of a village and a group of girls at play, Daguerreotype, 1/4 plate, Swann Galleries - New York, LL/44321

Unidentified photographer, 1850, Eugenia Nye Memorial, Daguerreotype, 1/9 plate, with printed text, Nelson-Atkins Museum of Art, LL/80695

Unidentified photographer, 1850, Everett's, Improved Coupling, Patented 1850, Made by Edward Everett, Daguerreotype, 1/4 plate, Capitol Gallery, LL/21998

Unidentified photographer, 1850, Portrait of unidentifed woman breastfeeding a baby (presumably a mother and her child, Daguerreotype, 1/6 plate, Radcliffe Institute, Schlesinger Library, Harvard University, LL/76474

Unidentified photographer, 1850, Storefront [Haus von D.M. Thomas], Daguerreotype, Private collection of W. & T. Bosshard, LL/16217

Unidentified photographer, 1850, Lion in cage [Löwin im Kõfig], Daguerreotype, Private collection of W. & T. Bosshard, LL/16212

Unidentified photographer, 1850, The oldest photograph of San Francisco, Daguerreotype, San Francisco Public Library, LL/74199

Unidentified photographer, 1850, The oldest photograph of San Francisco, Daguerreotype, San Francisco Public Library, LL/74064

Unidentified photographer, 1850, Fräulein Sophie Rotermann, Daguerreotype, Museum für Kunst und Gewerbe / MKG, LL/65297

Unidentified photographer, 1850, Jenny Lind, Positive - type uncertain, Library of Congress, Prints and Photographs Division, LL/34289

Unidentified photographer, 1850, Poppies [Mohnblumen], Daguerreotype, Private collection of W. & T. Bosshard, LL/16207

Unidentified photographer, 1850, Fritz, The Indian elephant in the hunting villa of Stupinigi, Turin, Daguerreotype, Archivio Storico della Cittŕ di Torino, LL/54158

Unidentified photographer, 1850, Hôtel de Nantes, place du Carrousel, 1er arrondissement, Paris., Daguerreotype, Musée Carnavalet, LL/95836

Unidentified photographer, 1850, [Jeune homme assis dans un atelier d'artiste], Daguerreotype, framed, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, LL/101367

Unidentified photographer, 1850, The Hôtel de Nantes, Daguerreotype, Musée Carnavalet, LL/82877

Unidentified photographer, 1850, [Portrait de femme à mi-genoux, assise, de trois-quarts à gauche, dépoitraillée, dans une attitude maniérée], Daguerreotype, stereo, Bibliothèque Nationale de France, Département des Estampes et de la Photographie, LL/101369

Unidentified photographer, 1850, Matilda Heron as Medea, Daguerreotype, 1/2 plate, California State Library, LL/90871

Unidentified photographer, 1850, Miners cabin, California goldfields, Daguerreotype, California State Library, LL/90481

Unidentified photographer, 1850, A semi-nude woman is combing the pubic hair of another woman standing next to her with her skirt lifted and her blouse pulled dow, Daguerreotype, hand-coloured, stereoscopic, detail, Internet - Original source ill-defined, LL/62558

Unidentified photographer, 1850, A semi-nude woman is standing in front of a mirror with her breasts exposed wearing a pearl necklace, Daguerreotype, hand-coloured, stereoscopic, detail, Internet - Original source ill-defined, LL/62559

Unidentified photographer, 1850, A nude woman is lying on her bed showing her back, Daguerreotype, hand-coloured, stereoscopic, detail, Internet - Original source ill-defined, LL/62560

Unidentified photographer, 1850, A nude woman is standing near a table with leaves and flowers painted around her waist, Daguerreotype, hand-coloured, stereoscopic, detail, Internet - Original source ill-defined, LL/62561

Unidentified photographer, 1850, The Carpenter, Canada, Daguerreotype, 1/6 plate, Charles Isaacs Photographs, Inc, LL/4226

Unidentified photographer (USA, 19th century), 1850, Untitled (Portrait of a Carpenter), Daguerreotype, Art Institute of Chicago, LL/114532

Unidentified photographer (USA, 19th century), 1850, Untitled (Portrait of Seated Man with Headdress), Daguerreotype, Art Institute of Chicago, LL/114522

Unidentified photographer (USA, 19th century), 1850, Untitled (Two Boys Holding a Deceased Baby), Daguerreotype, Art Institute of Chicago, LL/114536

Unidentified photographer (USA, 19th century), 1850, Untitled (Gold Miners in Front of a Pond), Daguerreotype, Art Institute of Chicago, LL/114508

Unidentified photographer (USA), 1850, Untitled (Portrait of Woman Holding a Child), Daguerreotype, Art Institute of Chicago, LL/114475

Unknown (English), 1850, Wild Rabbit, Salted paper print, Private collection of Brad Feuerhelm, LL/20466

Unknown (French), 1850, French Post Mortem, Salt print, Private collection of Brad Feuerhelm, LL/20433

Vicomte Joseph Vigier, 1850, Vallé de Lur prise du chemin de Sasie à St-Sauveur, Salted paper print, from paper negative, Metropolitan Museum of Art, LL/79825

Washington Allston, 1850, Book cover for 1850, Outlines and Sketches, by Washington Allston., (Boston: Stephen H. Perkins), Book cover, Private collection of Stephen White, LL/99928

Washington Allston, 1850, Page from 1850, Outlines and Sketches, by Washington Allston., Page, Private collection of Stephen White, LL/99929

William Sidney Mount (artist), 1850, California News, Oil painting on canvas, Library of the Boston Athenaeum, LL/80193

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Grand Temple D'Isis A Philoe. Muraille occidentale, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69375

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Thebes. Médinet-Habou. Partie orientale du Péristyle du Palais de Ramsès-Méiamoun, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69362

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Thebes. Palais de Karnak. Sanctuaire de granit et salle Hypostyle, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69363

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Thebes. Médinet-Habou. Runes de la ville de Papa, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69364

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Vue Cavalière de la Seconde Cataracte, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69365

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Haute-Égypte. Girgeh. Mosquèe d'Aly-Bey, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69366

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Haute-Égypte. Entrée de la première Cataracte, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69367

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Palestine. Jérusalem. Mosquée d'Omar, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69368

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Palestine. Jérusalem. Partie occidentale des Murailles, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69369

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Forteresse D'Ibrym (Ancienne Premmis). Vue prise au sud., Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69370

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Hémi-Spéos de Sébour. Pylônes, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69371

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Temple de Déböd. Parembole de l'itinéraire d'Antonin, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69372

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Philoe, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69374

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Temple et Village de Débôd. Parembole de l'itinéraire d'Antonin, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69373

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Ibsamboul. Partie septentrionale du Spéos d'Hathor, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69383

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Grand Temple d'Isis, A Philoe. Vue générale prise du nord, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69382

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Kalabscheh. Sculptures de la Facade postérieure du Temple, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69381

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Thebes. Palais de Karnak. Sculptures extérieures du Sanctuaire de granit, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69380

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Rive Orientale du Nil (Village de Bab). Vue prise au sud de Philoe, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69379

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Grand Temple d'Isis, A Philoe, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69378

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Nubie. Seconde Cataracte. Dgebel-Abouoir, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69377

Maxime Du Camp, 1850 (taken) 1851-1855 (print), Égypte Moyenne. Pyramide de Chéphren, Salted paper print (Blanquart-Évrard process) from paper negative, Metropolitan Museum of Art, LL/69376

Maxime Du Camp, 1850 (taken) 1852 (ca, print), Thebes, Palace of Karnak, Court of Bubastites and Main Entrance of the Hypostyle Hall, Salt print, Nelson-Atkins Museum of Art, LL/81732

Maxime Du Camp, 1850 (taken) 1852 (published), Nubie, Philae, Blanquart-Evrard process salt print, Private collection of Jeff Nolte, LL/73182

Charles Marville, 1850 (taken) 1853 (ca, published), Portail de la facade principale de la Cathedrale d'Amiens, [Souvenirs Photographiques, pl. 12 published by Blanquart-Evrard ca. 1853], Salt print, Private collection of Alain Masson, LL/49596

Comte Frédéric Flachéron, 1850, Ink signature of Comte Frédéric Flachéron, Ink signature, Studios Robespierre, Serge Plantureux, LL/19584

Levi L. Hill, 1850, Title page for Levi L. Hill, 1850, A Treatise on the Daguerreotype; The Whole Art made Easy, and All the Recent Improvements Revealed (Lexington, N.Y.: Holman & Gray), Book cover, Google Books, LL/49721

Unidentified photographer / artist, 1850, Distortions of the Spine, Book page, Google Books, LL/35180

Unidentified photographer / artist, 1850, Andrew Jackson Davis, Book illustration, from a Daguerreotype, Google Books, LL/35332

1850, Page from Washington Allston, 1850, Outlines and Sketches, (Boston), Portfolio page, detail, Private collection of Stephen White, LL/90730

1850, Advertisements for Daguerreotypes, Boston, Advert, Google Books, LL/34996

1850, Philosophical and Chemical Apparatus - Horne, thornwaite and Wood, Opticians, 123 Newgate Street, London, Advert, Google Books, LL/34657

Southworth & Hawes, 1850, Southworth & Hawes, Artists Daguerreotype Rooms, Advert, Google Books, LL/34998

Meade Brothers Studio, 1850, Meade and Brothers, Book page, Google Books, LL/49723

Antoine Claudet, 1850, Society of Arts Silver Medal. Presented to Antoine Francois Jean Claudet - Society of Arts Silver Medal, by William Wyon at the Royal Mint, London, Medal, Private collection of Jason David Wright, LL/113009

Antoine Claudet, 1850, Society of Arts Silver Medal. Presented to Antoine Francois Jean Claudet - Society of Arts Silver Medal, by William Wyon at the Royal Mint, London, Medal, Private collection of Jason David Wright, LL/113010

Charles Nègre, 1850, Leda and the Swan, Engraving, Archive Farms, LL/90778

Francis Bedford, 1850, Hospital of the Holy Cross, Shrewsbury, Lithograph, Archive Farms, LL/111776

J.A. Whipple, 1850, Daguerreotype. J.A. Whipple, Advert, Google Books, LL/34997

John Herschel, 1850, Cascade D' Enfer. Val de Lys. Bagneres de Luchon, Camera Lucida drawing, Museum of Photographic Arts - MOPA, LL/45373

Marcus Aurelius Root, 1850, M. A. Root, Book page, Google Books, LL/49724

Mathew B. Brady, 1850, J.C. Calhoun, Engraving, from a daguerreotype, Archive Farms, LL/112675

Mathew B. Brady, 1850, Zachary Taylor, Lithograph, from an engraving, after a daguerreotype, Archive Farms, LL/112676

Mathew B. Brady, 1850, J.C. Calhoun, [The Gallery of Illustrious Americans, Containing the Portraits and Biographical Sketches of Twenty-four of the Most Eminent Citizens of the American Republic (second issue)], Lithograph, from an engraving, after a daguerreotype, Archive Farms, LL/112674

Mathew B. Brady, 1850, J.C. Calhoun, Engraving, from a daguerreotype, Archive Farms, LL/112671

Mathew B. Brady, 1850, J.C. Calhoun, Engraving, from a daguerreotype, Archive Farms, LL/112670

Mathew B. Brady, 1850, John Davis, Mezzotint, from a daguerreotype, Archive Farms, LL/112668

Unidentified daguerreotypist / P.M. Whelpley (engraver), 1850, Samuel S Phelps, Mezzotint, from a daguerreotype, Archive Farms, LL/112678

Unidentified daguerreotypist / P.M. Whelpley (engraver), 1850, Gen. Winfield Scott, Mezzotint, from a daguerreotype, Archive Farms, LL/112681