C Series - Station Installation and Maintenance

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C70.111 I1 Aug59 - 103 Key Equipment Secretarial Answering Service C70.111 I1 Aug59 - 103 Key Equipment Secretarial Answering Service

Date added: 12/26/2013
Date modified: 12/26/2013
Filesize: 2.27 MB
Downloads: 2303

Issue 1, August 1959.  Contributed by Steve Cichorsky.

C71.909 IA PTT Jan57 - Service Observing For TelCo Business Offices C71.909 IA PTT Jan57 - Service Observing For TelCo Business Offices

Date added: 12/26/2013
Date modified: 12/26/2013
Filesize: 428.46 kB
Downloads: 2159

Issue A, January 1957.  Pacific Tel & Tel.  Includes 101-type key units.  Contributed by Steve Cichorsky.

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