🚀 go-pugleaf

{R}@nospam.demon.co.uk (Richard Ashton) wrote:

>In article <fa+TqqBvNia0Ew7r@jasper.demon.co.uk>
>           mdt@earthling.net "Mike Tomlinson" writes:

>} In article <879275926snz129.os2.7@nospam.demon.co.uk>, Richard Ashton
>} <{R}@nospam.demon.co.uk> writes
>}
>} >The ringing current is presented on the A leg, travels through the
>} >capacitor and out on the third wire, along this third wire all the
>} >bells of an extension set are wired in series,
>}
>} Not in series, I think.  The ringer(s) are wired between the B leg and
>} pin 3.

>Do you remember Button A & B call boxes ?
	Yes.
> Black Bakerlite Phones with twisted fabic covered cords?
	Yes.  The 232 with detachable base, the 332 (?) series, etc.
They are still in use in many homes, and are often on sale a
computer swap meetings.
>The arival of the new modern plastic 706 telephones ? the Trimphone warbler ?
	No.  I don't think we had either of those.  We went to a locally
designed and produced model 300.
>I assure you the bells were wired in series.
	Not here they weren't.  Same equipment, different country,
different rules.
	Wired in parallel so that if one was unplugged it didn't silence
the rest.
>{R} ex GPO Telephones "Youth-in-Training"
	ex TIT (Technician-in-Training) 1945.
.
  ,-._|\  Alan Fowler. (Alan M. Fowler  FIEAust CPEng)                       
 /  Oz  \ Mail Address: PO Box 1008G, North Balwyn 3104 Vic, AUSTRALIA.
 \_,--.x/ Phone: +613-9857-7128  Member, Melbourne PC User Group.
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