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Thread View: alt.folklore.computers
3 messages
3 total messages Started by Curt Sampson Tue, 25 Sep 1990 00:21
Re: Power Off
#4716
Author: Curt Sampson
Date: Tue, 25 Sep 1990 00:21
8 lines
781 bytes
I think that some of the laptops out there have it right.  You can turn it off
at any time, and when you turn it on it comes back up at the exact same place,
doing the exact same thing.

I guess the only thing that does that one better is Babbage's (sp?) box, which
didn't even *have* a power switch....   :-)

        -cjs    ( Curt_Sampson@mindlink.UUCP )
Re: Power Off
#4717
Author: lin... Donald Lindsay
Date: Thu, 27 Sep 1990 01:53
18 lines
1388 bytes
In article <3303@mindlink.UUCP> a577@mindlink.UUCP (Curt Sampson) writes:
>I think that some of the laptops out there have it right.  You can
>turn it off at any time, and when you turn it on it comes back up at
>the exact same place, doing the exact same thing.
>I guess the only thing that does that one better is Babbage's (sp?)
>box, which didn't even *have* a power switch....   :-)

And then there was the analog computer that was used around the
turn of the century to predict tides in the English Channel.

To check its operation, you turned the crank backwards, until you had
drawn a tidal chart for the _previous_ few days.  If it was right,
then the machine didn't need maintenance.

This thing was eventually automated: they put an electic motor on the
crank. Eventually they replaced it with a CDC 6600.
-- 
Don		D.C.Lindsay
Re: Power Off
#4718
Author: ger...
Date: Thu, 27 Sep 1990 17:27
18 lines
1261 bytes
In article <10...@pt.cs.cmu.edu>, lin...@gandalf.cs.cmu.edu (Donald Lindsay) writes:
>
> And then there was the analog computer that was used around the
> turn of the century to predict tides in the English Channel.
> 
> To check its operation, you turned the crank backwards, until you had
> drawn a tidal chart for the _previous_ few days.  If it was right,
> then the machine didn't need maintenance.
> 
> This thing was eventually automated: they put an electic motor on the
> crank. Eventually they replaced it with a CDC 6600.
 
The analog computer or the electric motor?   :-)

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[  Disclaimer: Yes, Mom, I'll play nice.
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