Hard disk material

Jules Richardson jules.richardson99 at gmail.com
Tue Nov 25 08:28:12 CST 2008


William Blair wrote:
>> (My brain wants to say it was "how to build a working digital 
>> computer", but I could be wrong there). I wonder if anyone ever
>> actually built one that worked? :-)
> 
> Your brain is not leading you astray.  That's the book.  Here's the PDF version:
> 
> http://www.bitsavers.org/pdf/paperClipComputer/HowToBuildAWorkingDigitalComputer_Jun67.pdf

That claim of some drums operating at 75,000rpm has to be a typo... I can 
believe 7500 - but 75,000? Ouch!





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