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Reblogged by jsonstein@masto.deoan.org ("Jeff Sonstein"):
kenshirriff@oldbytes.space ("Ken Shirriff") wrote:
Each disk platter was 39 inches in diameter and had 12 heads reading it. A complicated hydraulic system moved the heads. The edge of the platter moved much faster than the center, so the disk was divided into 6 zones, writing at higher frequencies as you go toward the edge.
Attachments:
- Cover of the brochure for the Bryant Model-2 Series 4000 Disc Files. It says "more of everything you need and want in a random-access mass memory". The disk drive is a massive unit, tinted blue. A woman is leaning against the disk drive, which is about the height of her shoulders. (remote)
- A diagram showing the disk drive's hydraulic system. (remote)
