In a preferred embodiment, there is privided a microfilm jacket support supportable of a flat microfilm jacket in a horizontal position in an anchored state with a leading edge of the jacket extending beyond the support when mounted thereon, and with a microfilm insertion opening into microfilm jacket...http://www.google.fr/patents/US4173837?utm_source=gb-gplus-shareBrevet US4173837 - Microfilm jacket microfilm feeding device and process
Microfilm jacket microfilm feeding device and process
