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  1. Early radiography experiment
  2. Art of section through human eye showing glaucoma
  3. Stem cell research
  4. Knorr Shells VI
  5. Goldfish III
  6. Neck and facial nerves
  7. Livery Stable, Carson City
  8. Cell structure
  9. Gene therapy: model of DNA inside a drug
  10. Cut-away artwork of a windmill for grinding corn
  11. Heart anatomy, 19th Century illustration
  12. Descubes Botanical Grass IV
  13. Gregor Mendel, Austrian botanist
  14. Lamps connected in series
  15. Neutral Iris Sketch II
  16. Artichoke Sketch
  17. Pumping engines, 19th century
  18. The Old Barn
  19. Ale Tap 1893
  20. Mechanics of swallowing, diagram
  21. Nettle groundbug
  22. 'Sense And Sensibility' By Jane Austen
  23. Fern Foliage III
  24. A View Of 110th Street In New York City, 1906
  25. Subway Sphinxes, 2013
  26. Guinea Fowl, from The Farnley Book of Birds, c.1816
  27. Mid Century - Tree - Elm
  28. Novogratz Values - Courage
  29. Geography of the Heavens VIII
  30. City Sketches II
  31. Illustration of a 32 day old human embryo
  32. One Line New York
  33. Artist's concept of a supernova explosion
  34. Cephalopd eye, artwork
  35. Cat Nap II
  36. Hippopotamus
  37. Illustration from 'Pride and Prejudice' by Jane Austen
  38. Horticultural Specimen II
  39. Ferns on Sage VIII
  40. Tropical Karatas
  41. Allosaurus
  42. Nuclear fusion reactions
  43. Chimney-sweep Christmas II, 2001
  44. White-eyed Vireo
  45. Descubes Botanical Grass II
  46. Jack climbs the beanstalk, illustration from 'Jack and the Beanstalk', 1969
  47. Iconic Japan XI
  48. American Dipper, or Water Ouze