Re: Guided Vehicles

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Article #6290

#6290

From: John Nagle
Date: Fri, 14 Aug 1992 18:17

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gmw1@cunixa.cc.columbia.edu (Gabe M Wiener) writes:
>Several years ago I was up in some law firm and I saw a motorized mail-cart
>making the rounds, turning at corners, etc.  I looked at the floor and didn't
>see any track, so I asked.  Turned out that they had this aerosol spray on
>the carpet that left a trail (magnetic, I suspect) that the cart followed.

        Not magnetic.  Fluoresced in UV.  Are those still being sold?

					John Nagle

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Path: arc1-ca.pugleaf.net!sparky!uunet!ogicse!uwm.edu!wupost!decwrl!csus.edu!netcom.com!nagle
From: nagle@netcom.com (John Nagle)
Newsgroups: sci.electronics
Subject: Re: Guided Vehicles
Message-ID: <zz6maxl.nagle@netcom.com>
Date: 14 Aug 92 18:17:07 GMT
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References: <kwilli.2@elaine.ee.und.ac.za> <josef.713714826@uranium> <1992Aug14.155048.28576@news.columbia.edu>
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