[GreenKeys] [Off-Topic] PDF Documentation Request (related to telephone switching)

[Charles Ring]

www.telephonecollectors.info has much of that in great detail.

73 de W3NU



On 7/16/2012 1114, Christian Gauger-Cosgrove wrote:
> Hello,
>
> I was just wondering, anyone here have a PDF copy of  "Survey of
> Telephone Switching" by the Pacific Telephone and Telegraph Company?
>
>
> Also, if possible, might anyone have any (PDF) texts related to
> Step-by-Step, WECo Panel or No. 1/No. 5 crossbar switching systems?
>
>
> Thanks for any and all help.
>
> Cheers,
> C. M. Gauger-Cosgrove
>