MAINFRAME postage stamps

20 stamps

This section shows stamps depicting mainframes computers. A mainframe is a powerful, large and very expensive computer, used mainly by government institutions, universities, big companies for large-scale computing purposes. The term mainframe indicates also the early computers of 1940's and 1950's such as the Zuse Z3, Atanosoff-Berry Computer (ABC), Colossus, Harvard Mark I, ENIAC, UNIVAC, EDVAC and others.

	ID#154 Country Hungary Year 2003 Issue Famous persons 3v Subject John Von Neumann, he has contributed to development of computer architecture. EDVAC mainframe developer Tag personalities mainframe
	ID#55 Country Bulgaria Year 2001 Issue Information society 2v Subject Atanasoff, mainframe ABC, at Tag e-mail personalities mainframe
	ID#240 Country Marshall Islands Year 1998 Issue The 20th Century: 1940 - 1949 Subject mainframe ENIAC Tag mainframe
	ID#495 Country Turkey Year 1996 Issue Definitives 5v Subject mainframe, magnetic tape, pixels Tag magnetic tape pixel mainframe
	ID#251 Country Russian Federation Year 1992 Issue Space flight with germany 1v Subject mainframe Tag mainframe
	ID#492 Country Turkey Year 1990 Issue 150th Anniversary Turkish Post 4v Subject mainframe, magnetic tape, pixels Tag magnetic tape pixel mainframe
	ID#849 Country USSR Year 1986 Issue Party Conference 5v Subject mainframe, operators Tag mainframe
	ID#784 Country Mali Year 1985 Issue Philexafrique 2v (imperf.) Subject mainframe Tag mainframe
	ID#247 Country USSR Year 1982 Issue Intercosmos 3v Subject terminals, control center Tag mainframe control center
	ID#250 Country USSR Year 1982 Issue Intercosmos 3v Subject mainframe Tag mainframe
	ID#255 Country USSR Year 1981 Issue 26th Communist Party Congress 6v Subject mainframe Tag mainframe
	ID#353 Country Bulgaria Year 1980 Issue Plovdiv fair Subject mainframe, terminal Tag mainframe terminal network
	ID#308 Country China (PRC) Year 1979 Issue Modernization 4v Subject mainframe Tag magnetic tape mainframe
	ID#531 Country Romania Year 1978 Issue Industrial development 6v Subject mainframe Tag mainframe
	ID#341 Country Romania Year 1977 Issue 30th Anniversary of the Republic 3v Subject mainframe, magnetic tapes Tag magnetic tape mainframe
	ID#307 Country China (PRC) Year 1976 Issue School 5v Subject mainframe Tag mainframe
	ID#216 Country Germany (East) Year 1974 Issue Leipzig spring fair 2v Subject mainframe Tag mainframe
	ID#166 Country Ivory Coast Year 1972 Issue Information technology 1v Subject mainframe, punched card Tag mainframe punched card
	ID#165 Country Ivory Coast Year 1972 Issue Information technology 1v (imperforate) Subject mainframe, punched card Tag mainframe punched card
	ID#538 Country Germany (East) Year 1966 Issue Leipzig fair 2v Subject mainframe Tag mainframe

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