PAN right on computer terminal for the Optical Character Reader. MS and CS on panel lights of "Culler Facer Canceller" (machine). MS of operator at coding desk unit. CU of letters piling in the letter stacker of coding desk unit. TILT DOWN and CU of hand at keyboard of the coding desk unit. TILT UP to letter coming to coding desk unit. MS and CU of operator and letters in coding desk unit. Various shots of different parts of "Feeder Stacker" (machine). CU of parts of "Culler Facer Canceller". CUs of parts of addressing machine. ZOOM OUT on operators at the machine. Several MSs and TILT UPs to different parts of addressing machine. MS on "Culler Facer Canceller". TILT DOWN and PAN left on loading chute, up to drum of "Culler Facer Canceller". Several different shots of parts of "Culler Facer Canceller" including MS of operator.