IBM 1401
<p>Dec 19, 2013 04:17 PM</p>
<p>
tour by Jim Strickland at CHM today.</p>
<p>
there are 2 working 1401s at the CHM.</p>
<p>
decimal computer.</p>
<p>
announced in 1959.</p>
<p>
replaced electromechanical machines for processing of punched cards.</p>
<p>
1401 was withdrawn in 1971.</p>
<p>
all transistor mkt to smaller biz</p>
<p>
monthly rental of 2500 bucks (today worth 20K/ mo)</p>
<p>
see pic of SMS card stnd modular system.</p>
<p>
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