IBM 3138/3148 78-key Display Console Keyboard

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STOCKFOLIO 656 (rights to use photo purchased from Alamy (website license))

1976 Q2 Model B Type IV System/370-compatible Console Keyboard (S370-T4)IBM beam springs More info on this keyboard

IBM-made 78-key operator console keyboard for the IBM System/370 Models 138 and 148 mainframe computers' 3138 and 3148 (respectively) Display Consoles. It was integrated into the large platform the console's CRT display was attached to. It's essentially a version of the IBM 3158 66-key Display Console Keyboard but with the added 12-key program function keypad. Unusually for an IBM operator console keyboard since 1972, it didn't have coloured "START" and "STOP" keys.

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