Tektronix TM501 1 Slot Mainframe for TM500

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BAMA TM501 Free Manual Download Site

Orig CostLow BidHigh Bidaverage
$115 (1973-new)
$130 (1977)
$285 (1982)
$350 (1985)
88148
$29.99 8/8/01 #1622828380 sales
$76.00 9/24/01 #1639732769 reliableendmill (w/ Opt 2)
$104.00 9/24/01 #1639641651 machinetoolz
$50.00 (buy it now) 10/10/01 #1648502492 iknopf
$42.00 10/23/01 #1651350033 reliableendmill (opt 02)
$57.78 10/28/01 #1652245437 treasuretek
$48.00 3/14/06 #7597870559 onlinestuffgp (2 bids $25 start) (works - shown powering DM501A)
$27.50 (+~$20 ship,handling) 6/11/09 #370211328234 esssurplus (3 bids $19.99 start) (clean-untested)
$38.53 (+~$12 ship) 7/17/09 #270424337115 cghitek (5 bids $9.99 start) (untested)
$28.00 (+~$14 ship) 11/28/10 #280592979870 highbidwinsthis (5 bids $9.99 start) ("Unit is functional"-residency hassles)

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    Shipping Weight 9 pounds
    Option 2 is rear panel interface installed.