Vintage phone line polarity test 100B I&R tone test by Progressive Electrons... For Sale

Vintage phone line polarity test 100B I&R tone test by Progressive Electrons...


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Vintage phone line polarity test 100B I&R tone test by Progressive Electrons...:
$5

Vintage phone line polarity test 100B I&R tone test by Progressive Electrons Mesa Arizona good condition
This sale is for one Vintage phone line polarity test 100B I&R tone test by Progressive Electrons Mesa Arizona good condition
Red and black cables measure approximately 23" plus a 1' gray telephone plug in cable.
Complete and as seen in pictures
Please see pictures and ask any question you may have.


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