The first Hard Disc
The fist hard disc from IBM company in 1956. This hard disc was able to save only 8 photos.
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2017-13-07 Update
That was the Model 350 disk drive for the 305 RAMAC system. Its capacity was 3.75 megabytes with a 1-second average access time.
Interesting history in Wikipedia:
"The IBM 350 drive had fifty 24-inch (0.6 m) platters, with a total capacity of five million 6-bit characters (3.75 megabytes).[9] A single head assembly having two heads was used for access to all the platters, yielding an average access time of just under 1 second."
Source: https://en.wikipedia.org/wiki/History_of_hard_disk_drives
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That was the Model 350 disk drive for the 305 RAMAC system. Its capacity was 3.75 megabytes with a 1-second average access time..
Interesting history in wikipedia:
"The IBM 350 drive had fifty 24-inch (0.6 m) platters, with a total capacity of five million 6-bit characters (3.75 megabytes).[9] A single head assembly having two heads was used for access to all the platters, yielding an average access time of just under 1 second."
Source: https://en.wikipedia.org/wiki/History_of_hard_disk_drives
Thank you, Bob,
If you let me, I want to add your comment as an update to this blog post. Is it ok for you?
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Thanks for sharing, Amir.
You're welcome.