[VoIP] Fundamentals of Antique Strowger

Mad Mark madmanmarkau at hotmail.com
Mon Feb 4 01:53:35 CST 2008


Oh how awesome. I'm nabbing a copy of that as we speak.

> Date: Mon, 4 Feb 2008 01:56:30 -0500
> From: stfkerman at jps.net
> To: voip at ckts.info
> CC: jtburnham at q.com
> Subject: Re: [VoIP] Fundamentals of Antique Strowger
> 
> Mark (and others),
> 
> Here are a couple of messages that didn't make it here and are very worthy of cross-posting.  I think they are for the most part self-explanatory.
> 
> At the time this book was published, Keith "plunger" lineswitches and rotary lineswitches (what are referred to as Subscriber Uniselectors in BPO parlance) were all that existed.  The 2-motion 
> Linefinder was about to be introduced.  From the viewpoint of North American practice this is a major area not covered since LFs were very widely used here, much more widely than in the UK it seems. 
> However these books are very worthwhile despite that for the breadth of coverage and the view they give of the early days.  And you can't beat the price!
> 
> IMO Jim deserves many thanks from the wannabe electro-mechanical switcher community for the effort he put into this.  He is not on this list AFAIK but his address is in the CC.
> 
> (More comments at the bottom)
> 
> Jim Burnham wrote:
> > I've scanned and posted for download the first half of Smith & 
> > Campbells' Automatic Telephony, 1921 edition. It's about 60mb and can 
> > be had from -
> >
> > www.aircraftmanuals.us/phone/automatic-telephony.pdf
> >
> > The second half will be posted by Sunday evening or so. There are no 
> > restrictions on this - it's available for all. Index it, OCR it, sell 
> > it, give it away, it matters not to me. It makes fun gifts for the 
> > whole family.
> Jim Burnham wrote:
> > I've scanned and posted for download the second half of Smith & 
> > Campbell's Automatic Telephony, 1921 edition.
> >
> > It's about 68mb and can be downloaded from -
> >
> > www.aircraftmanuals.us/phone/automatic-telephony-2.pdf
> >
> >
> > The first half is still available at -
> >
> > www.aircraftmanuals.us/phone/automatic-telephony.pdf
> >
> > Dialup users - download at your own peril. The total size will be 
> > around 125MB
> >
> >
> > Enjoy.
> >
> > Jim Burnham
> 
> In reply, someone pointed out that Google also scanned the book and that
> their entire volume was only about 11 MB instead of 2 x 68 MB.  That's
> because the scan quality is much much lower.  A discussion about quality
> ensued as a result of that comment.
> 
> I downloaded both forms of it so I have it for purposes of future
> extracting purposes.  I own a copy of the book.
> 
> Steph
> 
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