| To: | BRHSlist@egroups.com |
|---|---|
| Subject: | Re: [BRHSlist] Chalk Marks |
| From: | tgcostello@a... |
| Date: | Sat, 3 Jun 2000 11:49:00 EDT |
In a message dated 06/02/2000 7:03:28 PM Pacific Daylight Time, qutlx1@a... writes: > The development of computers and their ability to generate switch lists > killed chalk marks. Leo: When did this computerized system render chalk marks obsolete? This is helpful from a chronological/prototypical modeling standpoint. Tim Costello Irvine CA |
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