AT&T Bell System Plant Series Reference Manual
Telephone sets
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Also See for Bell System Plant Series:
- Alignment instructions (42 pages) ,
- Reference (36 pages) ,
- Test instructions (26 pages)
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BELL SYSTEM PRACTICES
Plant Series
REFERENCE
25000 AND 25548 TELEPHONE SETS
2500 AND 2554 TYPE TELEPHONE SET
Fig. 1-2500 and 2554 Type Telephone Set
©
American
Telephone
and
Telegraph
Company,
1970
Printed
in
U.S.A.
SECTION 502-503-1 01
Issue 1, February 1970
AT & TCo Standard
Page 1
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