how fast were drum memories?

[Al Kossow]

and this says they are 880 rpm

https://www.fourmilab.ch/documents/univac/fastrand.html


On 5/10/18 1:25 PM, Al Kossow via cctalk wrote:
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> On 5/10/18 1:17 PM, Jack Harper via cctalk wrote:
>>
>>
>> Chuck, do you know if the story that the FASTRAND drum was fabricated from milled/machined sewer pipe is true???
> 
> it appears one still exists
> 
> https://collection.maas.museum/object/261170
> 
> the decade is wrong.
> 
> and
> 
> https://www.youtube.com/watch?v=luPM6XaKZuU
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> 
>