History of Photography

12345678910111213141516
Across
  1. 3. Is between 1500 and 150 years old
  2. 6. The first recorded discovery that a certain chemical turned black when exposed to the light was made in
  3. 7. Who figured out even longer ago than the 1500s
  4. 10. When were portable versions of the camera obsura developed
  5. 11. The first printed photographs were made between
  6. 13. Was the first stage of photography's evolution in Europe
  7. 14. Discovered that ammonia would dissolve the silver chloride and leave the image intact
  8. 16. Obscura means dark
Down
  1. 1. What colour turns to sunlight
  2. 2. Emulsion on glass or pewter was exposed to light and then washed the plate with solvents
  3. 4. Latin for chamber
  4. 5. How long has photography been around?
  5. 8. Is there any one correct anwser
  6. 9. The basic design of the camera has been in use since the
  7. 12. Developed an emulsion or light
  8. 15. Caused the reaction to light