Mary Rosse, 1857 (ca), Lord Rosse's telescope at Birr Castle, Ireland, Albumen print, stereoview, detail, The Royal Society, LL/58674

Unidentified photographer, 1867 (ca), Mirror cell for the Great Melbourne Telescope speculum, Albumen print, The Royal Society, LL/58675

Charles Spencer, 1886, View from Te Hape o toroa at back Site of Pink Terrace, Albumen print, The Royal Society, LL/58688

Unidentified photographer, 1889, Thylacoleo fossil skull, Albumen print, The Royal Society, LL/63956

John Phillips, 1853, Study of the Moon, Albumen print, The Royal Society, LL/58676

Mary Rosse, 1857 (ca), Lord Rosse's telescope at Birr Castle, Ireland, Albumen print, stereoview, detail, The Royal Society, LL/58672

Alan Archibald Campbell Swinton, 1896, 26 June (dated on print), X-ray photograph of the hand of William Crookes, Photograph, x-ray, The Royal Society, LL/58666

Mary Rosse, 1861, Lord Rosse's telescope at Birr Castle, Ireland, Albumen prints, mounted, The Royal Society, LL/58681

Charles Spencer, 1886, McRae's Hotel, Interior, Albumen print, The Royal Society, LL/58689

Unidentified photographer, 1878, Venus's flower basket, Albumen print, The Royal Society, LL/58677

Henry Fox Talbot, 1839, 28 January (Recd.) , 31 January (Read), Handwritten text for "Some Account of the Art of Photogenic Drawing, or, the process by which natural objects may be made to delineate themselves, without the aid of the artist's pencil", Page, with handwriting, The Royal Society, LL/65102

Alphonse Bernoud / Claude Grillet, 1857-1858, At Polla [earthquake damage], Albumen print, The Royal Society, LL/58667

Mary Rosse, 1857 (ca), Lord Rosse's telescope at Birr Castle, Ireland, Albumen print, stereoview, The Royal Society, LL/58670

Caleb Burrell Rose, 1859 (or earlier), Two specimens of fern leaf [An early attempt at Photography from Norwich], Photogenic drawing, The Royal Society, LL/58683

Charles Spencer, 1886, View across Lake Rotorua, Albumen print, The Royal Society, LL/58685

Alphonse Bernoud / Claude Grillet, 1857-1858, Pertosa [earthquake damage], Albumen print, The Royal Society, LL/58678

Alphonse Bernoud / Claude Grillet, 1857-1858, Rocks, Rio Agri…, Albumen print, The Royal Society, LL/58669

Charles Spencer, 1886, View into the Chasm where Lake Rotomahana was from East Slope of Te Hape-o-toroa, Albumen print, The Royal Society, LL/58690

Unidentified photographer, 1870, Clear for Action [Commander E. D. Ashe and assistants], Albumen print, The Royal Society, LL/58684

Robert Hooke, 1662, Figures observ'd in snow, Ink wash on paper, The Royal Society, LL/58680

Alphonse Bernoud / Claude Grillet, 1857-1858, Potenza, north side, Albumen print, The Royal Society, LL/58679

Mary Rosse, 1857 (ca), Lord Rosse's telescope at Birr Castle, Ireland, Albumen print, stereoview, detail, The Royal Society, LL/58673

Mary Rosse, 1857 (ca), Lord Rosse's telescope at Birr Castle, Ireland, Albumen print, stereoview, detail, The Royal Society, LL/58671

Christian Albrecht Jensen, 1843 (1792-1870, Danish, painter), Sir John Herschel, Oil on canvas, The Royal Society, LL/76280

Alphonse Bernoud / Claude Grillet, 1857-1858, Villa Carusso [earthquake damage], Albumen print, The Royal Society, LL/58668

Charles Spencer, 1886, General View from 4 Miles West of the Great Fissure looking N.E., Albumen print, The Royal Society, LL/58686

Charles Spencer, 1886, Tarawera Lake from the Wairoa Valley, Albumen print, The Royal Society, LL/58687

Henri-Victor Regnault, 1853, The Ladder, Blanquart-Evrard salt print from waxed paper negative, The Royal Society, LL/59211