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Bell System Practices 830 Connections page 3

Telephone sets connections speakerphone system 4a

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Fig. 1-t4A Speakerphone System Arrangement,
BSP 512-740-470-i06_1979-09-03.jpg
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Feb 23,2012 22:44:06
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OR M/6H
CORD
10- or 20-Button Telephone Set.
S
ISS 6, SECTION
12-740-470
108-TYPE
LOUDSPEAKER SET
Page 3

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