Calendar of the Year -- Description du film [en anglais] :
« An impressionistic study of seasonal activities, showing how the Post Office is adapted to deal with them in transmission of radio and television, in the telephone service and in the collection and distribution of mail. »
-- British Film Institute

Source :
BRITISH FILM INSTITUTE. « BFI Collections Search », British Film Institute, http://collections-search.bfi.org.uk/web. [en anglais]