MCS of "UNIVAC" machine in operation. Several rear shots and PANs of women working, sorting letters, including MCS of stamped envelopes. LSs of men and women sorting envelopes. MCS of man emptying bag full of envelopes. LS of women and men sitting at their desks, working. CSs of hands handling income tax reports sheets. FOLLOW SHOTs of various machines, of paper sheets coming out of one of the machines, boy watching it, of paper coming out, piling up, being cut mechanically, of envelopes moving through machine, being sealed.