3. First cameras: “Camera obscuras”
Originally used for drawing and entertaining.
Projects an image of its surroundings on a screen.
4.
5. 1727: Johann Heinrich
Schulze discovered that
silver nitrate darkened
when exposed to light by
mixing chalk, nitric acid,
and silver in a flask.
6. 1814: Joseph Nicéphore
Niépce combines the camera
obscura with photosensitive
paper to create the first
picture ever. Eight hour
exposure and eventually,
faded.
7. 1826: Joseph Nicéphore Niépce combines
the camera obscura with photosensitive
paper to create the first permanent picture.
8. 1834: Henry Fox Talbot
invented the first negative
from which multiple
positive prints could be
made.
9. 1837: Louis Daguerre’s first “daguerreotype”.
Did not fade and needed less than 30 minutes
for light exposure.
10. 1841: Talbot invented the
“calotype” process,
which means “beautiful
picture” in Greek, by
using a silver salt
solution.
11. 1851: Frederick Scott
Archer invented the
“Collodion” process
which only requires two
to three seconds of light
exposure.
12. 1856: Hamilton Smith patented “tintypes”,
which used a thin sheet of iron as a base for the
light sensitive material. Three million made by
mid 1800’s.
13. 1871: Richard Leach
Maddox, an English
doctor, invented the
gelatin dry plate silver
bromide process. No
longer did negatives have
to be developed right
away.
14. 1880: George Eastman
founded Eastman Dry
Plate Company in
Rochester, New York. First
half-tone photograph
appears in a daily
newspaper, the New York
Graphic.
