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Memory - IBM, Magnetic Core, 1955-1975 Reg. No: ST 43748
- IBM magnetic core memory comprising 3 dimensional network of wires with magnetic beads at each intersection, together with a plug-in module, 1950s-1960s.
- Module with six frames, each containing a number of tiny magnetic toroids (rings), the cores, through which wires are threaded to write and read information. The top is protected by a perspex sheet and the base of the module is attached to a metal plate. A set of seven cord connectors is attached to the frames.
Plug in module containing mechanical and electromechanical components. Some of the components have identifying markings.
- Statement Of Significance:
- Magnetic core memory was the electro-physical mainstay of computers in the early computer era. They had to be hand-assembled.
- Acquisition Information:
- Donation from IBM Australia Pty Ltd, 1996
|Dimensions:||110 mm (Height), 230 mm (Width), 234 mm (Length)|
|Dimension Comment:||Dimensions of magnetic core.|
|Themes this item is part of:||Information & Communication Collection|
|Primary Classification:||COMPUTING & CALCULATING|
|Secondary Classification:||Digital Computing|
|Tertiary Classification:||internal memory|
|Inscriptions:||Top of module with magnetic core: 002 / AC
Plug in module: (text)
|Manufacturer:||International Business Machines (IBM), United States of America, 1950-1969
Manufacturer & Designer.