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hp41cx

11-22-2016, 06:46 PM
Bubble memory

cruff

11-22-2016, 11:03 PM
How interesting. It appears that this memory cartridge may have also been used in come PLC units.
HP Forums > HP Calculators (and very old HP Computers) > General Forum > Bubble memory for HP-IL and |HP-41/71/75! See
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