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• In the first room, there is a poster which describes what it cost to use a particular machine in 1947 for two weeks. It states the number as \$2499, which,
Message 1 of 5 , Jul 26, 2009
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In the first room, there is a poster which describes what it cost to use a particular machine in 1947 for two weeks. It states the number as \$2499, which, today, would be enough to buy a high end Mac or PC. Inflation adjusted, the number is about \$24,000

Joe
• ... No error! It really was that expensive to use the University of Pennsylvania s Differential Analyzer. See for yourself: http://snarc.net/diff-penn.jpg
Message 1 of 5 , Jul 26, 2009
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In the first room, there is a poster which describes what it cost to use a particular machine in 1947 for two weeks. It states the number as \$2499, which, today, would be enough to buy a high end Mac or PC. Inflation adjusted, the number is about \$24,000

Joe
No error!  It really was that expensive to use the University of Pennsylvania's Differential Analyzer.  See for yourself: http://snarc.net/diff-penn.jpg
• no, I am saying the error is that \$2499 in 1947 could buy cadillac, or possibly a small house. In 2009, it buys a computer. Present it like In 1947, \$2499 was
Message 1 of 5 , Jul 26, 2009
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no, I am saying the error is that \$2499 in 1947 could buy cadillac, or possibly a small house. In 2009, it buys a computer. Present it like "In 1947, \$2499 was the price of a new car"

On Sun, Jul 26, 2009 at 8:34 PM, Evan Koblentz <evan@...> wrote:

In the first room, there is a poster which describes what it cost to use a particular machine in 1947 for two weeks. It states the number as \$2499, which, today, would be enough to buy a high end Mac or PC. Inflation adjusted, the number is about \$24,000

Joe
No error!  It really was that expensive to use the University of Pennsylvania's Differential Analyzer.  See for yourself: http://snarc.net/diff-penn.jpg

• I think he meant that it costs slightly less to buy a high end Mac or PC than the inflation adjusted amount.
Message 1 of 5 , Jul 26, 2009
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I think he meant that it costs slightly less to buy a high end Mac or PC than the inflation adjusted amount.

On Sun, Jul 26, 2009 at 8:34 PM, Evan Koblentz <evan@...> wrote:

In the first room, there is a poster which describes what it cost to use a particular machine in 1947 for two weeks. It states the number as \$2499, which, today, would be enough to buy a high end Mac or PC. Inflation adjusted, the number is about \$24,000

Joe
No error!  It really was that expensive to use the University of Pennsylvania's Differential Analyzer.  See for yourself: http://snarc.net/diff-penn.jpg

• ... That doesn t surprise me. Once upon a time, when only universities and research facilities had access to (D)Arpa-Net (now the internet), posting a message
Message 1 of 5 , Jul 27, 2009
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--- In midatlanticretro@yahoogroups.com, Evan Koblentz <evan@...> wrote:
>
> > In the first room, there is a poster which describes what it cost to
> > use a particular machine in 1947 for two weeks. It states the number
> > as \$2499, which, today, would be enough to buy a high end Mac or PC.
> >
> > Joe
> No error! It really was that expensive to use the University of
> Pennsylvania's Differential Analyzer. See for yourself:
> http://snarc.net/diff-penn.jpg
>

That doesn't surprise me. Once upon a time, when only universities and research facilities had access to (D)Arpa-Net (now the internet), posting a message on usenet was sometimes preceeded by a warning about how much money the university spent to send out this message.

This is (one of the reasons) why the very first spam message caused such an uproar.

I know when I had some access to Johns-Hopkins University (don't ask), there was often a warning message before posting to usenet, I think Columbia University also had restrictions on posting for that reason.
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