6.30 Collection6.30 Collection1934Queuebrick VideoQueueLWatchedWFavoriteFListsDiscussionWhere to watchCopy short link19346.30 Collection15m·DocumentaryDirected by Harry Watt, Edgar AnsteyShort documentary showing the workings of a large London sorting office.DirectorHarry WattDirectorEdgar AnsteyStudioGPO Film UnitOverviewDiscussionCastCrewDetailsWhere to watchNo cast listed.