FOLLOW MLS of mailman delivering mail to front door of well-to-do house. MS of men unloading mailbag from back of truck. Sequence in post office showing postal workers sorting parcels, putting letters through cancelling machine, sorting piles of letters from table. MS of two women in living room, one writing letter, the other wrapping parcel. Shot of woman cancelling mail in post office. CU of mailman. Shots of mailbag travelling along conveyor, of postal worker sorting letters, PAN to other workers piling mailbags nearby. CS of parcels coming down chute. MS of army men unloading mailbags from truck, putting bags on conveyor. Various shots of postal workers sorting parcels and mail in post office, putting mail in bags and in pigeon-holes, closing bags with tags. CUs of hand sorting mail in pigeon-holes, of hand writing down address on parcel. Shots of men wearing colonial-type hats filing past punch clock, punching cards. CU of panel "Day Staff In" opening, showing punched card. MS of woman sorting letters at pigeon-holes, tying letters in bunches.