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DEC Family Tree
A map of the origin and development of Digital Equipment Corporation from 1957 through 1986. The DEC Tree is an article that was published in the magazine "Computerworld" on September 24, 1986.
Harry S. Mann - 1968
A black and white paper copy of a memorial photo of Harry S. Mann (1917-1968), Vice President of Digital Equipment Corp., 1965-1968.
File Folder for Digital Equipment Corporation
A collection of Digital Equipment Corporation documents including but not limited to the following subjects: Ken Olsen, DEC World, Manuals, Bumper Stickers, newspaper clippings, Celebrations, and a variety of documents.
DEC Calendar - 1985
A poster/calendar for the Digital Central Engineering Development Programs in 1985. The calendar features a picture of the Assabet Mills from Thompson Street in 1881.
Logic Modules - 1957
Digital's first products were logic models enclosed in an extruded aluminum wave guide. The circuits were negative-logic build with surface-barrier germanium transistors, which could run at 5 megahertz. There was no other product on the market like…
Spark Chamber Scanning System 2319
Two black and white photos of the Spark Chamber Scanning System 2319.
Memory Test Systems 1521
The test equipment business was considered by Digital to be a stepping stone to eventually building general-purpose computer products, since they would share the same general circuits. Both Ken Olsen and engineer Dick Best patented many of the…
DEC Memory Tester 1516
A black and white photo of DEC Memory Tester 1516. The first systems Digital made were memory test systems to check the core stacks that were the memories used at that time. The technology used in these test systems were later used to build memories…
DEC PDP-1 Computer - 1959
A black and white photo of the PDP-1 Computer. Digital demonstrated its prototype PDP-1 computer at the 1959 Joint Computer Conference in Boston, MA. The whole showing was buzzing about this fledgling company called Digital and this little machine…
DEC PDP-4 Computer
A black and white photo of DEC's PDP-4 computer. Digital's PDP computer line was designed with the goals of interactivity, low cost, simplicity, and reliability. The computers in this 18-bit computer family are the PDP-1 of 1960, PDP-4 of 1963,…
Digital Equipment Corporation Building
Two black and white photos of the front entrance to the Digital Building on Main Street, Maynard, MA.
Digital's 25th Anniversary - 1983
A poster by the Maynard Chamber of Commerce which congratulates Digital Equipment Corporation on its 25th Anniversary.
Images of America
Digital Equipment Corporation
A photo book that spans the time that DEC was active in the mills of Maynard. Pictures of people, equipment, construction and activities.
DEC: System Building Block
model number 4509 stamped on front
level standardizer 1502A written on circuit board end
serial number 0137536 stamped on side
level standardizer 1502A written on circuit board end
serial number 0137536 stamped on side
