This is rather off-topic, but somehow related to old mainframe machines.
I'm looking for information, pictures, descriptions of old magnetic storage devices, especially not disks and tapes.
Examples: NCR CRAM, Electrodata or Potter RAM.

I also found some magic devices from RCA, used by some Bull Gamma 30 machine also.

There are two devices:
1. RCA MCF (Magnetic Card File) or RACE (Random Access Card Equipment), possibly 70/568-11 2. Jukebox similar to music jukebox, 128 discs, possible name is Data Record File, device type 361, part of RCA 301.

(note, it is possible I mismatched names of different products)

Of course I used google, found some manuals on bitsavers, but those devices are still very cryptic for me. Maybe someone knows where some pictures of those devices can be found?

Regards
--
Radoslaw Skorupka
Lodz, Poland




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