[dieseljeep]

Originally Posted by Telecolor 3007

There where portable (or at least smaller) 35 m.m. projectors. They camed with one when I was in kindergarten. And I've seen somwehere a manual for one.
Here are images with 35 m.m. portable film (movie) projectors: http://www.film-tech.com/warehouse/p...860&category=1
http://www.hallucine.fr/en/rental-sa...nema-material/

You learn something new every day!
All the school room projectors here were 16mm sound.
High schools had a large auditorium where the professional type 35mm were used for certain uses. They still used the carbon-arc light source.