Born-Digital or AnalogAnalogTranscriptPostal Service. Denver. New machine eliminates lnany stamps on postal packages. 1940 p.6 Post office gets new device. July 11, 1940 0.14 Celebration here to mark 50 yrs of mail delivery. RUN, Jui.y 28, 1940 p.i0 5 retired veterans of postal. service are honored by comrades at Denver meeting. RUN, Aug.14, 1940 p.14 Million pieces of mail handled in siagle day of oper. RO, Dec. 20, 1940 p.15CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng