Guillaume-Amant Duchenne de Boulogne, 1862, The facial expression of attention on the human face being induced by electrical currents., Book illustration, Wellcome Collection, LL/36753

John Thomson, 1866, Sculpture, Nakhon Thom [Angkor Wat], Cambodia, Glass negative, Wellcome Collection, LL/73850

W.P. Floyd, 1873 (ca), Hong Kong: the Joss House temple ornamented with lions and Chinese dragons., Albumen print, Wellcome Collection, LL/97102

John Thomson, 1871, Biyunsi (Temple of Azure Clouds), Beijing: the Jingangta (Diamond Sutra Pagoda), viewed through a memorial arch, Wet collodion negative, Wellcome Collection, LL/92927

Unidentified photographer, 1891, 30 September, Sir William MacCormac, Senior Surgeon of St.Thomas' Hospital, London, at the request of Prof. Lewis A. Sayre, gave a clinical lecture in the amphitheatre of Bellevue Hospital, Albumen print, Wellcome Collection, LL/125759

Unidentified photographer / artist, 1860s-1890s, Portrait of Ignaz Philipp Semmelweis [1818 - 1865], Hungarian-Austrian physician, Print, cased (type uncertain), Wellcome Collection, LL/36796

W.P. Floyd, 1873 (ca), Kamakura, Japan: the Grand Temple of Kamakura, in wooded country., Albumen print, Wellcome Collection, LL/97084

Alfred Donné, n.d., Blood corpuscles of the frog, [Donné "Atlas", fig. 8], Daguerreotype, photomicrograph, Wellcome Collection, LL/36721

John Thomson, 1869, Canton, Kwangtung province, China, Glass plate, Wellcome Collection, LL/36732

Joseph Guyton, 1862, 3 November, Cloud formation as seen in Thebes, November 3rd 1862. (Glass negative of a sketch), Photograph, Wellcome Collection, LL/92924

R. Theer, n.d., Joseph von Berres, Lithograph, Wellcome Collection, LL/98089

Henry Clarke, 1869 (ca), Presumed inmate at Wakefield prison, Wakefield, York., Carte de visite, Wellcome Collection, LL/36765

W.P. Floyd, 1873 (ca), Hong Kong: view from above Scandal Point looking west., Albumen print, Wellcome Collection, LL/97103

John Thomson, 1869 (taken), (Back view) Example of a coiffure on a Tartar or Manchu female who is wearing a long sleeved quilted garment. the hair is wrapped around a flat strip of wood. Peking, Pechili Province, China, Albumen print (modern) from glass plate (original), Wellcome Collection, LL/36734

Ivor Mason, KCL, 2009, Compact bone, Light microscopy, Wellcome Collection, LL/36805

Unidentified photographer, n.d., Neolithic methods of trephining by T. Wilson Parry, Slide, Wellcome Collection, LL/125767

Étienne Jules Marey, 1901, 17 January, Poster for a banquet during the "Scientia" conference celebrating Etienne Jules Marey, Poster, Wellcome Collection, LL/36799

W.P. Floyd, 1873 (ca), Macao Island: Penha Hill and the bay encircled by the Praya Grande., Albumen print, Wellcome Collection, LL/97095

John Thomson, 1878 (taken) 1981 (print), Nicosia, Cyprus, Gelatin silver print, Wellcome Collection, LL/104758

J.E. Taylor, 1881, Malaya: Chinese merchants grouped outside their club house on Penang Island., Albumen print, Wellcome Collection, LL/97057

Yosuke Yamahata, 1982 (or later), Pamphlet cover, The Medical Consequences of Nuclear War, (Medact), Pamphlet cover, Wellcome Collection, LL/77344

Julia Margaret Cameron, n.d., May Prinsep, Albumen print, Wellcome Collection, LL/69718

John Thomson, 1878, Larnaca, Cyprus, Glass photonegative, wet collodion, Wellcome Collection, LL/86645

George Edward Shuttleworth, n.d., Down's syndrome in a girl and a boy, Albumen prints, Wellcome Collection, LL/36761

John Thomson, 1878, Ruins at Famagusta, Cyprus, Glass photonegative, wet collodion, Wellcome Collection, LL/86644

Albert Londe, 1889, Female patient with twitching eyelids, Book plate, Wellcome Collection, LL/36801

John Thomson, 1865-1866, The 1st King of Siam, King Mongkut, in state robes, Bangkok, Siam, Glass plate, Wellcome Collection, LL/36740

Felice Beato, 1858, Interior of the Secundra Bagh after the Slaughter of 2,000 Rebels by the 93rd Highlanders and 4th Punjab Regiment. First Attack of Sir Colin Campbell in November 1857, Lucknow., Albumen print, Wellcome Collection, LL/36795

John Thomson, 1870, Macao, China, Glass plate, Wellcome Collection, LL/36741

Captain Clarence Comyn Taylor, 1860 (ca, taken), Nepal: two Tibetan men with pick-axes, [The People of India], Albumen print, Wellcome Collection, LL/114202

Neurdein Frères, 1920 (ca), Aix-les-Bains, - Etablissement Thermal. La Douche en Cercle., Postcard, Wellcome Collection, LL/101824

L. Demay (Aix les Bains), n.d., A young boy sitting on a wooden chair, his chin resting on his hand, in a room used as a "shower bath" at Aix les Bains, [Savoie Pittoresque], Albumen print, Wellcome Collection, LL/101825

W.P. Floyd, 1873 (ca), Hong Kong: the Germania Club building, Wyndham Street., Albumen print, Wellcome Collection, LL/97091

W.P. Floyd, 1873 (ca), Canton, China: the Mahomedan Mosque., Albumen print, Wellcome Collection, LL/97072

John Thomson, 1878 (taken) 1981 (print), Nicosia, Cyprus, Gelatin silver print, Wellcome Collection, LL/104757

J.E. Taylor, 1880, Malaya: the officers' mess and major's quarters on Penang Island., Albumen print, Wellcome Collection, LL/97055

W.P. Floyd, 1873 (ca), Canton, China: the Five-Storied Pagoda and Old Fort., Albumen print, Wellcome Collection, LL/97092

Julia Margaret Cameron, n.d., A woman reading a letter, Albumen print, Wellcome Collection, LL/69717

Southworth & Hawes, 1847, Use of ether at the Massachusetts General Hospital, 1847, Daguerreotype, Wellcome Collection, LL/112290

W.P. Floyd, 1873 (ca), Yokohama, Japan: panoramic view of the native and European residences in Yokohama town, looking towards the harbour., Albumen print, Wellcome Collection, LL/97111

John Thomson, 1878, Lefka, Cyprus, Glass photonegative, wet collodion, Wellcome Collection, LL/86646

Unidentified photographer, 1914-1918, World War One: a Royal Naval hospital, Hong Kong: a ward interior with empty beds., Photograph, Wellcome Collection, LL/97128

W.P. Floyd, 1873 (ca, taken), Macao Island: the Inner Harbour and adjacent Macao City, from the Island of Patera., Albumen print, Wellcome Collection, LL/97064

W.P. Floyd, 1873 (ca), Macao Island: view across Macao City, looking towards the inner harbour., Albumen print, Wellcome Collection, LL/97108

J.E. Taylor, 1881, Malaya: houses of inhabitants on Penang Island., Albumen print, Wellcome Collection, LL/97052

W.P. Floyd, 1873 (ca), Macao Island: Macao Inner Harbour and adjacent Barra Fort, from the Island of Patera., Albumen print, Wellcome Collection, LL/97109

John Thomson, 1871, Amoy, Fukien province, China: two Manchu soldiers with John Thomson, Glass negative, Wellcome Collection, LL/57319

Unidentified photographer, 1876-1878, Famine in India: five emaciated children; a girl sitting and four boys lying on a mat., Print, Wellcome Collection, LL/36791

W.P. Floyd, 1873 (ca), The Chinese town, West Point, Hong Kong, Albumen print, Wellcome Collection, LL/97079

W.P. Floyd, 1871 (ca), Hong Kong: distillery and china sugar refinery at East Point, Albumen print, Wellcome Collection, LL/97104

Unidentified photographer, 1891, Execution at Kowloon in 1891. Five bandits awaiting execution, Albumen print, Wellcome Collection, LL/97127

John Thomson, 1866, Nakhon thom [Angkor Wat], Cambodia, Glass plate, Wellcome Collection, LL/36742

John Thomson, 1868-1872, Two women standing near an incense-burner[?], Contact print from glass negative, Wellcome Collection, LL/36733

Unidentified photographer, 1840-1855, An elderly man after his death., Daguerreotype, Wellcome Collection, LL/36782

W.P. Floyd, 1873 (ca), Hong Kong: docks and harbour from the cliffs., Albumen print, Wellcome Collection, LL/97083

John Thomson, 1868-1872 (taken) 1981 (print), The Rhodoleia, Hong Kong, Photograph, Wellcome Collection, LL/97125

Guillaume-Amant Duchenne de Boulogne, 1862, The facial expression of fear on the human face being induced by electrical currents., Book illustration, Wellcome Collection, LL/36755

Unidentified photographer, 1900 (ca), Boer War: the dispensary and surgery in a hospital train, Halftone, Wellcome Collection, LL/125762

John Thomson, 1868, The Great Wall of China, seen from a distance, Pechili Pass, China, Glass plate, stereo, Wellcome Collection, LL/36748

Unidentified photographer, 1901, Stonehenge, England: Professor William Gowland (centre) watching the straightening of a leaning stone which is attached to a wooden frame and pulleys., Photograph, Wellcome Collection, LL/102378

John Thomson, 1865, Siamese Priest and Royal Pupil, Glass negative, stereo, Wellcome Collection, LL/73851

Unidentified photographer, 1910, The Pasteur Institute, Kasauli, India: a caged monkey with drooping eyes (ptosis) due to rabies, Gelatin silver print (?), Wellcome Collection, LL/36803

Felice Beato, 1860, Interior view of the North Fort of Taku on the Peiho River, near Tientsin (Tianjin), China, following its capture by the English and French armies on August 21st 1860. The battlements and cannons are surrounded by Chinese corpses., Albumen print, Wellcome Collection, LL/36767

Felice Beato, 1860, 25 June, View of the interior of the South Fort of Taku, near Tientsin (Tianjin), China, showing Chinese troops accommodation and encampment, 25th June 1860, Albumen print, Wellcome Collection, LL/36771

Louis Foucault, 1844, Photomicrograph, Daguerreotype, photomicrograph, Wellcome Collection, LL/36720

W.P. Floyd, 1873 (ca), Hong Kong: the Union Chapel., Albumen print, Wellcome Collection, LL/97066

John Thomson, 1865, Siamese Buddhist bonze, Glass negative, stereo, Wellcome Collection, LL/73852

W.P. Floyd, 1873 (ca), Hong Kong: the HongKong Club building, Wyndham Street., Albumen print, Wellcome Collection, LL/97093

W.P. Floyd, 1873 (ca), Canton, China: the Mahomedan Mosque and Minaret., Albumen print, Wellcome Collection, LL/97076

Castillo, 1900 (ca), A female bullfighter, with flowers in her hair, wearing a matador's jacket, Albumen print (?), Wellcome Collection, LL/36785

J.E. Taylor, 1880, Singapore: a Chinese soup seller., Albumen print, Wellcome Collection, LL/97059

John Thomson, 1867 (ca), Chinese boatwoman wearing a tartan headscarf, Canton, Kwangtung province, China, Glass plate, Wellcome Collection, LL/36738

John Thomson, 1800s (chest), One of the chests which the photographer John Thomson (1837-1921) used to carry his glass negatives. Wood and metal, 1800's., Colour image, Wellcome Collection, LL/36731

Léon Foucault, 1844, Blood corpuscles of a frog, Daguerreotype, photomicrograph, Wellcome Collection, LL/36722

John Thomson, 1868 (ca), Hong Kong facing the harbour, Glass plate, Wellcome Collection, LL/36745

1936, 25 July - 12:40 am (death), Green 'Pearson' wallet with 4 photographs. From Sir Henry's pocket, 12.40 am 25 July 1936 (at death)., Wallet with 4 photos, Wellcome Collection, LL/36783

Unidentified photographer, n.d., Skull of the "Eoanthropus Dawsoni" (Piltdown Man), Photograph, Wellcome Collection, LL/114453

Unidentified photographer, n.d., A Persian dentist extracting a tooth from a squatting patient., Halftone, Wellcome Collection, LL/128836

Unidentified photographer, 1895, Major General Horatio Gordon Robley with his collection of tattooed Maori heads, Photograph, Wellcome Collection, LL/51342

Guillaume-Amant Duchenne de Boulogne, 1883 (published), Duchenne de Boulogne, faradising the frontal muscles, Lithograph, Wellcome Collection, LL/36750

W.P. Floyd, 1873 (ca), Canton, China: boats off the coast of Canton City, looking south to Honam island., Albumen print, Wellcome Collection, LL/97110

Gambier Bolton, 1890s, Skeleton of a man, a woman from the Akka tribe (pygmy) and a gorilla (provided by the hunter-naturalist Paul Du Chaillu), displayed in a row., Gelatin silver print, Wellcome Collection, LL/36789

W.P. Floyd, 1873 (ca), Kamakura, Japan: large statue of "Daibootz" or the "Great Buddha", in wooded country., Albumen print, Wellcome Collection, LL/97101

Wilhelm Konrad Röntgen, 1895, The shadows of a concealed wire wound on a wooden spool, viewed through x-ray. Photoprint from radiograph by W.K. von Röntgen, 1895., X-ray, Wellcome Collection, LL/36725

Unidentified photographer / artist, 1911, The bones of the hand of Mrs F. Bridgeman, wearing a finger ring, showing a broken wrist. Photograph of X-ray, 1911, X-ray, Wellcome Collection, LL/36724

Rotary photo E.C., 1900-1909, Eugen Sandow, a strongma, Postcard, Wellcome Collection, LL/106370

John Thomson, 1869, Peking, Pechili province, China: a travelling chiropodist., Glass plate, Wellcome Collection, LL/36744

Sir Arthur Schuster, 1895, The bones of a frog, viewed through x-ray; revealing a healing fracture on one of the hind legs. Photoprint from radiograph after Sir Arthur Schuster, 1896., X-ray, Wellcome Collection, LL/36727

Unidentified photographer, 1897, A celebratory dance for discharged patients, during the bubonic plague outbreak in Karachi, India, Albumen print (?), Wellcome Collection, LL/36793

W.P. Floyd, 1873 (ca), Yokohama, Japan: panoramic view of Yokohama town, looking towards the harbour., Albumen print, Wellcome Collection, LL/97099

J.E. Taylor, 1878, Singapore: officers and men of the Royal Engineers employed in building fortifications., Albumen print, Wellcome Collection, LL/97060

[A woman riding a submissive man], 1896, A. Block (Paris), Cabinet card, Wellcome Collection, LL/127450

John Thomson, 1869, A Manchu girl, wearing platform shoes, and a Manchu bannerman, in his sheepskin coat, stand looking at a travelling Peep show. The showman is wearing winter dress made of coarse cotton cloth. Peking, Pechili Province, China, Photograph, Wellcome Collection, LL/57320

Henry Gillard Glindoni (artist), 2015, X-ray imaging of John Dee painting by Henry Gillard Glindoni, X-ray, Wellcome Collection, LL/92925

W.P. Floyd, 1873 (ca), Hong Kong: view along the harbour front., Albumen print, Wellcome Collection, LL/97082

Julia Margaret Cameron, 1868, June, Four young women holding flowers, Albumen print, Wellcome Collection, LL/69721

W.P. Floyd, 1873 (ca), Hong Kong: Botanical Gardens, looking north to the harbour., Albumen print, Wellcome Collection, LL/97085

W.R. Seton, n.d., A periscope being used above an operation which is projected onto a lantern screen for a lecture in the adjoining room, Gouache painting, Wellcome Collection, LL/65448

W.P. Floyd, 1873 (ca), Canton, China: the hill known as "Koon-Yin-San", or "The Heights"., Albumen print, Wellcome Collection, LL/97096

Unidentified photographer / artist, 1898, Case notes with photo of Cuthbert Charles Duguid Morrice, + inserted note with drawings, Case notes with photo, Wellcome Collection, LL/36757

W.P. Floyd, 1873 (ca), Hong Kong: the Parsee Cemetery, Happy Valley., Albumen print, Wellcome Collection, LL/97078

John Thomson, 1868-1872, Manchu Lady, Glass plate, Wellcome Collection, LL/131111

W.P. Floyd, 1873 (ca), Hong Kong: general view looking west to the harbour., Albumen print, Wellcome Collection, LL/97089

Donné & Foucault, n.d., Rouleaux of blood corpuscles, Daguerreotype, photomicrograph, Wellcome Collection, LL/36723

Guillaume-Amant Duchenne de Boulogne, 1862, The facial expression of astonishment on the human face being induced by electrical currents., Book illustration, Wellcome Collection, LL/36754

Jean-Baptiste-Raphael-Urbain Massard (1775 - 1843), n.d., Hippocrate refuse les presens d'Ataxerces [Hippocrates refusing the gifts of Artaxerxes], Engraving, Wellcome Collection, LL/92240

J.E. Taylor, 1881, Malaya: Fort Cornwallis on Penang Island., Albumen print, Wellcome Collection, LL/97053

W.P. Floyd, 1873 (ca), Hong Kong: St. John's Cathedral, North Front., Albumen print, Wellcome Collection, LL/97087

John Thomson, 1878 (taken) 1981 (print), Kyrenia, Cyprus, Gelatin silver print, Wellcome Collection, LL/104755

John Thomson, 1866, View from central tower, Nakhon Thom [Angkor Wat], Cambodia, Glass negative, Wellcome Collection, LL/73847

W.P. Floyd, 1873 (ca), Katasie, a Japanese village near Kamakura, in wooded country., Albumen print, Wellcome Collection, LL/97090

John Thomson, 1865-1866, View of Bangkok, Siam, looking over the River Menam, Glass plate, Wellcome Collection, LL/36746

Edward S. Curtis, 1904 (ca), A Navajo man in ceremonial dress representing the Yebichai god Zahabolzi (Zahadolzha?), Gelatin silver print, Wellcome Collection, LL/36780

John Thomson, 1866, View from central tower, Nakhon Thom [Angkor Wat], Cambodia, Glass negative, Wellcome Collection, LL/73846

Albert Londe, 1889, Female patient with sleep hysteria wearing a straight jacket, Book plate, Wellcome Collection, LL/36802

n.d., 'Rathbone' dental unit, London, England, 1932. (Science Museum, London), Colour photograph, Wellcome Collection, LL/125768

John Thomson, 1878 (taken) 1981 (print), Famagusta, Cyprus, Gelatin silver print, Wellcome Collection, LL/104756

H.J. Hickman, 1918 (ca), World War One, France: a radiographer wearing protective clothing and headpiece, Gelatin silver print, Wellcome Collection, LL/36776

Edward S. Curtis, 1904 (ca), A medicine man, Navajo, Gelatin silver print, Wellcome Collection, LL/36779

Warwick Brookes (Manchester), n.d., Power in Repose. Photo of Eugen Sandow, showing excellence of physique at 52, Photograph, Wellcome Collection, LL/106369

Unidentified photographer, 1915, Field surgery in the Dardanelles, Photograph, Wellcome Collection, LL/125760

John Thomson, 1869-1871, A Chinese portrait artist, Hong Kong, Glass negative, stereo, Wellcome Collection, LL/39769

W.P. Floyd, 1873 (ca), Hong Kong City Hall., Albumen print, Wellcome Collection, LL/97067

Unidentified photographer, 1912, A hand holding a glass of milk, showing scarring after corrective surgery., Photograph, Wellcome Collection, LL/125763

W.P. Floyd, 1873 (ca), Canton, China: view across the river from Canton City to the island of Shameen., Albumen print, Wellcome Collection, LL/97107

John Thomson, 1866, Interior of the western colonnade of a Temple at Nakhon Thom [Angkor Wat], Cambodia, Glass plate, Wellcome Collection, LL/36747

James Crichton-Browne, 1869 (ca), West Riding Lunatic Asylum in Wakefield, Yorkshire: an elderly woman, wearing a bonnet and half a smile; head and shoulders. 'Senile dementia', Carte de visite, Wellcome Collection, LL/36760

Felice Beato, 1860, View of the entrance the English used into the North Fort of Taku on the Peiho River, near Tientsin (Tianjin), China, 21st August 1860, Albumen print, Wellcome Collection, LL/36769

J.R. Schellenberg (etcher), 1783, A man drawing the silhouette of a seated woman on translucent paper suspended in a frame and lit by a candle., Book illustration, Wellcome Collection, LL/95217

M. W. (Melville William) Hilton-Simpson, 1881-1938, 1922, Arab medicine & surgery: a study of the healing art in Algeria / by M.W. Hilton-Simpson., Book illustration, Wellcome Collection, LL/125761

W.P. Floyd, 1873 (ca), Macao Island: the northern part of Macao City and Cemetery., Albumen print, Wellcome Collection, LL/97088

John Thomson, 1870 (ca, taken), The Island Pagoda, River Min, Foochow, Fukien province, China., Albumen print (modern) from glass plate (original), Wellcome Collection, LL/36735

John Thomson, 1871, Manchu bride, Peking, Penchilie province, China, Glass negative, Wellcome Collection, LL/73853

John Thomson, 1869-1871, A Chinese portrait artist, Hong Kong, Glass negative, stereo, left half, cropped, Wellcome Collection, LL/39770

John Thomson, 1872, Ruin of church, Macao, China, Photograph, Wellcome Collection, LL/97063

E.P. Minett, 1920s (ca), The foot of a 43 year-old, 4ft. 8 in., Chinese woman, showing the effect of foot binding with the broken (high) arch, under wrapped toes and cone shape heel., X-ray, Wellcome Collection, LL/36729

Guillaume-Amant Duchenne de Boulogne, n.d., Guillaume Benjamin Amand Duchenne de Boulogne, Photomechanical print, Wellcome Collection, LL/36749

Unidentified photographer, 1958 (later), Trephined skull excavated at Jericho in 1958 [Tomb 88] by Dr. Kathleen Kenyon, C.B.E., Director of the British School of Archaeology in Jerusalem., Gelatin silver print, Wellcome Collection, LL/36763

W.P. Floyd, 1873 (ca), Canton, China: the Temple of Confucius., Albumen print, Wellcome Collection, LL/97073

John Thomson, 1878, Nicosia, Cyprus, Glass negative, wet collodion, Wellcome Collection, LL/104754

James Crichton-Browne, 1869 (ca), A bald male patient of West Riding Lunatic Asylum, Wakefield, York, suffering from 'Mono-mania of pride', Carte de visite, Wellcome Collection, LL/36758

Unidentified photographer, 1902-1905, Fording a bush stream on march between Kasongo and Lusambo, Gelatin silver print, Wellcome Collection, LL/36790

Roger Fenton, 1860 (ca), Skeleton of a human and a gorilla, displayed side by side, Albumen print, Wellcome Collection, LL/36775

Unidentified engraver, n.d., Angelo Sala (Angelus Sala), 1576-1637, Engraving, Wellcome Collection, LL/78348

Unidentified photographer, 1916, Military Hospital V.R. 76, Ris-Orangis, France: wounded soldier - 10 inch gash from sword at Verdun in 1st world war, Gelatin silver print, Wellcome Collection, LL/36777

W.P. Floyd, 1873 (ca), Hong Kong: Douglas Castle, Pokfulum., Albumen print, Wellcome Collection, LL/97077

W.P. Floyd, 1873 (ca), A Japanese village in wooded country., Albumen print, Wellcome Collection, LL/97069

Albert Londe, 1889, Female patient with melancolie catalepsy, Book plate, Wellcome Collection, LL/36800

W.P. Floyd, 1873 (ca), Hong Kong: the waterfall at Pokfulum, Albumen print, Wellcome Collection, LL/97071

Julia Margaret Cameron, 1868, July / August, Charles Robert Darwin, Albumen print, Wellcome Collection, LL/69720

Felice Beato, 1860, Interior view of the North Fort of Taku on the Peiho River, near Tientsin (Tianjin), China, following its capture by the English and French armies on August 21st 1860. The battlements and cannons are surrounded by Chinese corpses., Albumen print, Wellcome Collection, LL/36768

Wilhelm Konrad Röntgen, 1895, Unloading apparatus with leaden cage, viewed under x-ray. Photoprint from radiograph by W.K. von Röntgen, X-ray, Wellcome Collection, LL/36726

Captain Clarence Comyn Taylor, 1860 (ca, taken), Nepal: tribespeople bearing sticks: group portrait, [The People of India], Albumen print, Wellcome Collection, LL/114198

Unidentified photographer, 1913-1914 (ca), The House of Boulders. Wellcome's headquarters at Jebel Moya. Built largely in order to provide employment for Sudanese who could not employed in the excavations., Gelatin silver print, Wellcome Collection, LL/36788

Martin Taylor, 1913-1914, Jebel Moya site, Sudan; excavation in progress, Gelatin silver print, Wellcome Collection, LL/36787

Julia Margaret Cameron, 1865, Robert Browning, Albumen print, Wellcome Collection, LL/69723

Freya Mowat, 2005, Blood vessels emerging from the optic disc, Confocal micrograph, Wellcome Collection, LL/36807

Edward S. Curtis, 1904 (ca), Three Navajo men proceeding as war gods, Gelatin silver print, Wellcome Collection, LL/36778

W.P. Floyd, 1873 (ca), Hong Kong: the Protestant Cemetery, Happy Valley., Albumen print, Wellcome Collection, LL/97080

J.E. Taylor, 1880, Singapore: a Mohammedan praying., Albumen print, Wellcome Collection, LL/97058

John Thomson, 1868-1871, Still life of fruit, Hong Kong, Glass plate, Wellcome Collection, LL/36736

W.P. Floyd, 1873 (ca), Hong Kong: the racecourse, Albumen print, Wellcome Collection, LL/97070

Sir Arthur Schuster, 1895, A snake in the process of swallowing a small mammal, probably a mouse, viewed through x-ray. Photoprint from radiograph after Sir Arthur Schuster, 1896., X-ray, Wellcome Collection, LL/36728

W.P. Floyd, 1873 (ca), Hong Kong: the Parade Ground, looking north., Albumen print, Wellcome Collection, LL/97112

Unidentified photographer / Unidentified artist, 1866 (published), View of the Snowy Range and Peak of Kenchinjunga [From a Photograph taken at Darjeeling.], Book illustration, frontispiece, Wellcome Collection, LL/105499

Captain Clarence Comyn Taylor, 1860 (ca, taken), Nepal: military men: two seated, one standing, [The People of India], Albumen print, Wellcome Collection, LL/114200

Unidentified photographer / Unidentified artist, 1866 (published), Cheebo Lama [From a Photograph taken at Darjeeling in May 1865.], Book illustration, Wellcome Collection, LL/105500

Unidentified photographer, n.d., Joseph James Forrester, Photograph, Wellcome Collection, LL/121435

W.P. Floyd, 1873 (ca), Canton, China: a panoramic view of the city, Albumen print, Wellcome Collection, LL/97074

Guillaume-Amant Duchenne de Boulogne, 1855, Duchenne's apparatus for electrotherapy. An early version., Book illustration, Wellcome Collection, LL/36751

David Gregory & Debbie Marshall, 2005, Blood clot forming over a wound, Scanning electron micrograph, colour-enhanced, Wellcome Collection, LL/36804

J.W.W. Birch (1826-1875), 1880, Malaya: two seated Malay dignatories, Tengku Zia Uddin and Raja Ismail, surrounded by their staff and Klang Police, Albumen print, Wellcome Collection, LL/97050

George Edward Shuttleworth, 1895, George Edward Shuttleworth holding a male child, showing signs of Down's syndrome, upon his lap, Albumen print (?), Wellcome Collection, LL/36762

Henry Clarke, 1869 (ca), Number 14, elderly man wearing checkered uniform, in restraint chair, Albumen print (?), Wellcome Collection, LL/36764

John Thomson, 1869-1872, Canton (Guangzhou), Kwangtung province, China: a boatwoman, Glass photonegative, wet collodion, stereograph, Wellcome Collection, LL/86643

Felice Beato, 1860, View along the top of the wall from Anting Gate, Beijing, China, after its capture by the English and French armies on 21st October 1860., Albumen print, Wellcome Collection, LL/36770

Eadweard Muybridge, 1887, A woman sitting naked on a chair and smoking, Collotype, Wellcome Collection, LL/36797

John Thomson, 1871, An unfortunate thief, Amoy 1871, with thumbs amputated., Glass plate, Wellcome Collection, LL/36739

John Thomson, 1869 (after), A travelling chiropodist tending to a male patient's foot, China., Wood engraving, Wellcome Collection, LL/36743

John Thomson, 1866, War elephant of Siam, Wet collodion negative, Wellcome Collection, LL/100788

John Thomson, 1800s (chest), One of the chests which the photographer John Thomson (1837-1921) used to carry his glass negatives. Wood and metal, 1800's., Colour image, Wellcome Collection, LL/36730

A. Dauthage (lithographer), 1853, Andreas von Ettingshausen, Lithograph, Wellcome Collection, LL/53741

Guillaume-Amant Duchenne de Boulogne, 1862, The facial expression of flirtatiousness on the human face being induced by electrical currents., Book illustration, Wellcome Collection, LL/36756

Felice Beato, n.d., India: a ruined mosque, Albumen print, Wellcome Collection, LL/36794

Ashenden, n.d., Diorama of Listerian Operation, Photograph, Wellcome Collection, LL/92926

Unidentified photographer, 1896, A plague house in Kaladevi Road, Bombay, Albumen print, Wellcome Collection, LL/36784

W.P. Floyd, 1873 (ca), Hong Kong: Public Gardens and harbour viewed from the Albany., Albumen print, Wellcome Collection, LL/97097

W.P. Floyd, 1873 (ca), Hong Kong: Botanical Gardens and Albany, looking south from Government House., Albumen print, Wellcome Collection, LL/97106

W.P. Floyd, 1873 (ca), Canton, China: the Whampoa Pagoda, Albumen print, Wellcome Collection, LL/97068

Unidentified photographer, 1900 (?), Benares (Varanasi), Uttar Pradesh: the Well of Knowledge., Photograph, Wellcome Collection, LL/125227

P.M.S. Blackett, n.d., Experiments by Blackett in a Wilson Cloud Chamber., Photographic illustrations, Wellcome Collection, LL/92922

Guillaume-Amant Duchenne de Boulogne, 1862, The facial expression of terror on the human face being induced by electrical currents., Book illustration, Wellcome Collection, LL/36752

Captain Clarence Comyn Taylor, 1860 (ca, taken), Nepal: three Newar men selling produce, seated, [The People of India], Albumen print, Wellcome Collection, LL/114201

Julia Margaret Cameron, 1871, 12 August (taken) , 18 August (copyright, Samuel Wilberforce, bishop of Oxford, Albumen print, Wellcome Collection, LL/69716

John Thomson, 1866, North end of west front, Nakhon Thom [Angkor Wat], Cambodia, Glass negative, Wellcome Collection, LL/73848

Henry Clarke, 1869 (ca), Number 17, young man restrained by two warders., Carte de visite, Wellcome Collection, LL/36766

Unidentified photographer, 1901, Stonehenge, England: view of leaning stone (right), prior to staightening; two members of the Society of Antiquaries seated amongst stones., Photograph, Wellcome Collection, LL/102388

W.P. Floyd, 1873 (ca), Canton, China: Canton City from the river with boats and junks in the foreground., Albumen print, Wellcome Collection, LL/97100

Nadar, n.d., Etienne-Jules Marey, Print, Wellcome Collection, LL/36798

James Crichton-Browne, 1869 (ca), West Riding Lunatic Asylum in Wakefield, Yorkshire: a woman, looking upwards with her mouth slightly open; head and shoulders. 'Chronic mania', Carte de visite, Wellcome Collection, LL/36759