- Wanted to make cameras "as convenient as a pencil."
- As early as 1890's
- Kodachrome 1930's
- FKTachrome (slides) 1940
- KodaColor (for negatives) 1942
- 1930's "Polarizing Process"
- Polarizing filters
- Lenses
- Sunglasses
- Optics (all kinds of equipment during WWII)
- 3-D Movies
- "Vectorgrams" (help with espionage during WWII)
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