(under subclass 589) Subject matter having means for introducing the material into the case without the necessity of using a dark room.
(1) Note. This subclass includes means whereby the nonsensitive end of the material in a roll or cartridge is attached to a device which may be actuated after a lightproof cover of the case is closed to withdraw the sensitive portion for treatment within the lightproof environment of the dark cabinet.
SEE OR SEARCH THIS CLASS, SUBCLASS:
612+, for disclosed but unclaimed dark cabinet combinations including material feed means.
, FOR 928, for a foreign art collection involving a daylight loading dark cabinet.
