marketed since 1966-67 until 197?
silent super 8 cartridge
panchromatic back-and-white
reversal film
film speed: 40 ASA (17 DIN)
film width: 8 mm
film length: 15.24 m (50 feet)
base: cellulose acetate, safety
film
perforation: type S
laboratory process: reversal black-and-white
process
weight: 60 g
dimensions: 24 x 70 x 75 mm
made in Germany by ?