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One of your readers...
From: David Farber <dave () farber net>
Date: Tue, 2 Sep 2008 15:11:18 -0400

Begin forwarded message:

From: Gene Spafford <spaf () cerias purdue edu>
Date: September 2, 2008 1:39:07 PM EDT
To: David Farber <dave () farber net>
Subject: One of your readers...


Perhaps one of your readers would know the answer to this. I've tried various online and book searches and cannot find the answer.

Some time back, I read (somewhere) that Thomas Watson, Jr. took a big gamble in going from the IBM 700 series to the 7000 series by using all transistor logic. This was circa 1959. The figure I recall is that transistors were about $7 each (in 1959 dollars; about $60 each in today's dollars).

I'm looking for confirmation and/or a source citation for this.

Thanks in advance.

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