Hi Andres,

You could try the Gernsback web site: http://www.gernsback.com
I don't think they have the article online, but the site does say how to
order back issues.

Later,

Eric

-----Original Message-----
From: Andres Tarzia <ATarzia@SMART.COM.AR>
To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Date: Tuesday, April 06, 1999 1:31 PM
Subject: [OT?] RE: Private telephone network ?


>Eric,
>
>Thank you for answering.
>
>Do you know how can I do to get access to that article?
>
>Regards,
>Andres Tarzia
>Technology Consultant, SMART S.A.
>e-mail: atarzia@smart.com.ar
>
>-----Original Message-----
>From: Eric Schlaepfer [mailto:schlae@SONIC.NET]
>Sent: Tuesday, April 06, 1999 17:15
>To: PICLIST@MITVMA.MIT.EDU
>Subject: Re: [OT?] RE: Private telephone network ?
>
>
>Hi,
>
>A PBX (even a small one) may not be needed. A standard 9V battery can be
>connected in series with two phones: 9V simulates the 10V talk circuit.
Ring
>is more tricky as it requires about 90V AC at 20Hz.
>
>I saw a phone line simulator in an Electronics Now (February 1996) called
>the Party Line. It simulates six lines, and (wonder of all wonders) it uses
>a PIC16C57! Caller ID is also supported.
>
>One might be able to build a simplified version supporting two lines.
>
>Later,
>
>Eric
>